jwe/octave: libinterp/corefcn/regexp.cc annotate

annotate libinterp/corefcn/regexp.cc @ 20939:b17fda023ca6

maint: Use new C++ archetype in more files. Place input validation first in files. Move declaration of retval down in function to be closer to point of usage. Eliminate else clause after if () error. Use "return ovl()" where it makes sense. * find.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, givens.cc, graphics.cc, help.cc, hess.cc, hex2num.cc, input.cc, kron.cc, load-path.cc, load-save.cc, lookup.cc, mappers.cc, matrix_type.cc, mgorth.cc, nproc.cc, ordschur.cc, pager.cc, pinv.cc, pr-output.cc, profiler.cc, psi.cc, quad.cc, rcond.cc, regexp.cc, schur.cc, sighandlers.cc, sparse.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, time.cc, toplev.cc, tril.cc, tsearch.cc, typecast.cc, urlwrite.cc, utils.cc, variables.cc, __delaunayn__.cc, __eigs__.cc, __glpk__.cc, __magick_read__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, chol.cc, colamd.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.cc, ov-bool-mat.cc, ov-cell.cc, ov-class.cc, ov-classdef.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-flt-re-mat.cc, ov-java.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-re-mat.cc, ov-struct.cc, ov-typeinfo.cc, ov-usr-fcn.cc, ov.cc, octave.cc: Use new C++ archetype in more files.

author	Rik <rik@octave.org>
date	Fri, 18 Dec 2015 15:37:22 -0800
parents	1142cf6abc0d
children	48b2ad5ee801

rev	line source
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1 /*
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	2
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 19403 diff changeset	3 Copyright (C) 2005-2015 David Bateman
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 11045 diff changeset	4 Copyright (C) 2002-2005 Paul Kienzle
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	5
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	6 This file is part of Octave.
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	7
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	9 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	11 option) any later version.
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	12
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	16 for more details.
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	17
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	18 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	19 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	20 <http://www.gnu.org/licenses/>.
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	21
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	22 */
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	23
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	24 #ifdef HAVE_CONFIG_H
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	25 #include <config.h>
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	26 #endif
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	27
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	28 #include <list>
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	29 #include <sstream>
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	30
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	31 #include <pcre.h>
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	32
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	33 #include "base-list.h"
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	34 #include "oct-locbuf.h"
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	35 #include "quit.h"
16940 99122191d3dd maint: Rename regexp.h to lo-regexp.h, regexp.cc to lo-regexp.cc in liboctave. Rik <rik@octave.org> parents: 16919 diff changeset	36 #include "lo-regexp.h"
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	37 #include "str-vec.h"
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	38
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	39 #include "defun.h"
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	40 #include "Cell.h"
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	41 #include "error.h"
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	42 #include "gripes.h"
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	43 #include "oct-map.h"
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	44 #include "oct-obj.h"
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	45 #include "utils.h"
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	46
14543 e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	47 // Replace backslash escapes in a string with the real values. We need
15541 9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	48 // two special functions instead of the one in utils.cc because the set
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	49 // of escape sequences used for regexp patterns and replacement strings
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	50 // is different from those used in the *printf functions.
14543 e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	51
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	52 static std::string
15541 9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	53 do_regexp_ptn_string_escapes (const std::string& s)
14543 e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	54 {
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	55 std::string retval;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	56
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	57 size_t i = 0;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	58 size_t j = 0;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	59 size_t len = s.length ();
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	60
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	61 retval.resize (len);
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	62
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	63 while (j < len)
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	64 {
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	65 if (s[j] == '\\' && j+1 < len)
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	66 {
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	67 switch (s[++j])
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	68 {
15541 9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	69 case 'b': // backspace
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	70 retval[i] = '\b';
14543 e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	71 break;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	72
16918 ab46b5c77669 Fix word boundary handling in regexp pattern (bug #38778) Mike Miller <mtmiller@ieee.org> parents: 16816 diff changeset	73 // Translate \< and \> to PCRE word boundary
ab46b5c77669 Fix word boundary handling in regexp pattern (bug #38778) Mike Miller <mtmiller@ieee.org> parents: 16816 diff changeset	74 case '<': // begin word boundary
ab46b5c77669 Fix word boundary handling in regexp pattern (bug #38778) Mike Miller <mtmiller@ieee.org> parents: 16816 diff changeset	75 case '>': // end word boundary
ab46b5c77669 Fix word boundary handling in regexp pattern (bug #38778) Mike Miller <mtmiller@ieee.org> parents: 16816 diff changeset	76 retval[i] = '\\';
ab46b5c77669 Fix word boundary handling in regexp pattern (bug #38778) Mike Miller <mtmiller@ieee.org> parents: 16816 diff changeset	77 retval[++i] = 'b';
ab46b5c77669 Fix word boundary handling in regexp pattern (bug #38778) Mike Miller <mtmiller@ieee.org> parents: 16816 diff changeset	78 break;
ab46b5c77669 Fix word boundary handling in regexp pattern (bug #38778) Mike Miller <mtmiller@ieee.org> parents: 16816 diff changeset	79
20211 f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	80 case 'o': // octal input
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	81 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	82 bool bad_esc_seq = (j+1 >= len);
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	83
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	84 bool brace = false;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	85 if (! bad_esc_seq && s[++j] == '{')
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	86 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	87 brace = true;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	88 j++;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	89 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	90
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	91 int tmpi = 0;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	92 size_t k;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	93 for (k = j; k < std::min (j+3+brace, len); k++)
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	94 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	95 int digit = s[k] - '0';
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	96 if (digit < 0 \|\| digit > 7)
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	97 break;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	98 tmpi <<= 3;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	99 tmpi += digit;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	100 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	101 if (bad_esc_seq \|\| (brace && s[k++] != '}'))
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	102 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	103 bad_esc_seq = true;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	104 tmpi = 0;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	105 warning ("malformed octal escape sequence '\\o' --\
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	106 converting to '\\0'");
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	107 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	108 retval[i] = tmpi;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	109 j = k - 1;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	110 break;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	111 }
15541 9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	112
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	113 default: // pass escape sequence through
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	114 retval[i] = '\\';
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	115 retval[++i] = s[j];
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	116 break;
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	117 }
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	118 }
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	119 else
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	120 {
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	121 retval[i] = s[j];
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	122 }
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	123
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	124 i++;
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	125 j++;
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	126 }
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	127
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	128 retval.resize (i);
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	129
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	130 return retval;
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	131 }
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	132
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	133 static std::string
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	134 do_regexp_rep_string_escapes (const std::string& s)
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	135 {
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	136 std::string retval;
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	137
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	138 size_t i = 0;
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	139 size_t j = 0;
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	140 size_t len = s.length ();
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	141
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	142 retval.resize (len);
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	143
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	144 while (j < len)
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	145 {
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	146 if (s[j] == '\\' && j+1 < len)
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	147 {
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	148 switch (s[++j])
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	149 {
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	150 case 'a': // alarm
14543 e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	151 retval[i] = '\a';
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	152 break;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	153
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	154 case 'b': // backspace
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	155 retval[i] = '\b';
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	156 break;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	157
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	158 case 'f': // formfeed
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	159 retval[i] = '\f';
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	160 break;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	161
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	162 case 'n': // newline
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	163 retval[i] = '\n';
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	164 break;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	165
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	166 case 'r': // carriage return
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	167 retval[i] = '\r';
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	168 break;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	169
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	170 case 't': // horizontal tab
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	171 retval[i] = '\t';
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	172 break;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	173
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	174 case 'v': // vertical tab
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	175 retval[i] = '\v';
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	176 break;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	177
20211 f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	178 case 'o': // octal input
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	179 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	180 bool bad_esc_seq = (j+1 >= len);
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	181
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	182 bool brace = false;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	183 if (! bad_esc_seq && s[++j] == '{')
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	184 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	185 brace = true;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	186 j++;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	187 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	188
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	189 int tmpi = 0;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	190 size_t k;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	191 for (k = j; k < std::min (j+3+brace, len); k++)
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	192 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	193 int digit = s[k] - '0';
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	194 if (digit < 0 \|\| digit > 7)
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	195 break;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	196 tmpi <<= 3;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	197 tmpi += digit;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	198 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	199 if (bad_esc_seq \|\| (brace && s[k++] != '}'))
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	200 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	201 warning ("malformed octal escape sequence '\\o' --\
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	202 converting to '\\0'");
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	203 tmpi = 0;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	204 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	205 retval[i] = tmpi;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	206 j = k - 1;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	207 break;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	208 }
14543 e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	209
20211 f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	210 case 'x': // hex input
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	211 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	212 bool bad_esc_seq = (j+1 >= len);
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	213
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	214 bool brace = false;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	215 if (! bad_esc_seq && s[++j] == '{')
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	216 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	217 brace = true;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	218 j++;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	219 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	220
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	221 int tmpi = 0;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	222 size_t k;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	223 for (k = j; k < std::min (j+2+brace, len); k++)
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	224 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	225 if (! isxdigit (s[k]))
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	226 break;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	227
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	228 tmpi <<= 4;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	229 int digit = s[k];
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	230 if (digit >= 'a')
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	231 tmpi += digit - 'a' + 10;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	232 else if (digit >= 'A')
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	233 tmpi += digit - 'A' + 10;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	234 else
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	235 tmpi += digit - '0';
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	236 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	237 if (bad_esc_seq \|\| (brace && s[k++] != '}'))
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	238 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	239 warning ("malformed hex escape sequence '\\x' --\
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	240 converting to '\\0'");
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	241 tmpi = 0;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	242 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	243 retval[i] = tmpi;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	244 j = k - 1;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	245 break;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp. Rik <rik@octave.org> parents: 20172 diff changeset	246 }
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	247
20290 b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	248 // Both dollar sign (for capture buffer) and backslash are
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	249 // passed through with their escape backslash. The processing
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	250 // for these must occur during the actual replacement operation
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	251 // in lo-regexp.cc.
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	252 case '$': // pass dollar sign through with escape
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	253 retval[i] = '\\'; retval[++i] = '$';
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	254 break;
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	255
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	256 case '\\': // pass backslash through with escape
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	257 retval[i] = '\\'; retval[++i] = '\\';
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	258 break;
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	259
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	260 default: // convert escaped character to unescaped char
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	261 retval[i] = s[j];
14543 e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	262 break;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	263 }
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	264 }
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	265 else
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	266 {
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	267 retval[i] = s[j];
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	268 }
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	269
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	270 i++;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	271 j++;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	272 }
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	273
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	274 retval.resize (i);
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	275
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	276 return retval;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	277 }
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	278
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	279 static void
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	280 parse_options (regexp::opts& options, const octave_value_list& args,
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	281 const std::string& who, int skip, bool& extra_args)
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	282 {
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	283 extra_args = false;
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	284
20819 f428cbe7576f eliminate unnecessary uses of nargin John W. Eaton <jwe@octave.org> parents: 20801 diff changeset	285 for (int i = skip; i < args.length (); i++)
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	286 {
19403 03067dab10ca Use stricter input validation when looking for a string as input (bug #42651). Rik <rik@octave.org> parents: 17861 diff changeset	287 std::string str;
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	288
20700 68e3a747ca02 rename octave_value value extractors that accept error message args John W. Eaton <jwe@octave.org> parents: 20581 diff changeset	289 str = args(i).xstring_value ("%s: optional arguments must be strings", who.c_str ());
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	290
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	291 std::transform (str.begin (), str.end (), str.begin (), tolower);
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	292
9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	293 if (str.find ("once", 0) == 0)
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	294 options.once (true);
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	295 else if (str.find ("matchcase", 0) == 0)
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	296 options.case_insensitive (false);
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	297 else if (str.find ("ignorecase", 0) == 0)
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	298 options.case_insensitive (true);
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	299 else if (str.find ("dotall", 0) == 0)
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	300 options.dotexceptnewline (false);
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	301 else if (str.find ("stringanchors", 0) == 0)
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	302 options.lineanchors (false);
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	303 else if (str.find ("literalspacing", 0) == 0)
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	304 options.freespacing (false);
14536 6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	305 else if (str.find ("noemptymatch", 0) == 0)
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	306 options.emptymatch (false);
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	307 else if (str.find ("dotexceptnewline", 0) == 0)
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	308 options.dotexceptnewline (true);
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	309 else if (str.find ("lineanchors", 0) == 0)
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	310 options.lineanchors (true);
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	311 else if (str.find ("freespacing", 0) == 0)
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	312 options.freespacing (true);
14536 6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	313 else if (str.find ("emptymatch", 0) == 0)
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	314 options.emptymatch (true);
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	315 else if (str.find ("start", 0) == 0
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	316 \|\| str.find ("end", 0) == 0
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	317 \|\| str.find ("tokenextents", 0) == 0
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	318 \|\| str.find ("match", 0) == 0
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	319 \|\| str.find ("tokens", 0) == 0
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	320 \|\| str.find ("names", 0) == 0
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	321 \|\| str.find ("split", 0) == 0)
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	322 extra_args = true;
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	323 else
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	324 error ("%s: unrecognized option", who.c_str ());
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	325 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	326 }
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	327
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	328 static octave_value_list
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	329 octregexp (const octave_value_list &args, int nargout,
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	330 const std::string &who, bool case_insensitive = false)
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	331 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	332 octave_value_list retval;
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	333
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	334 int nargin = args.length ();
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	335
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	336 // Make sure we have string, pattern
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	337 const std::string buffer = args(0).string_value ();
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	338
14543 e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	339 std::string pattern = args(1).string_value ();
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	340
14543 e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	341 // Matlab compatibility.
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	342 if (args(1).is_sq_string ())
15541 9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	343 pattern = do_regexp_ptn_string_escapes (pattern);
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	344
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	345 regexp::opts options;
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	346 options.case_insensitive (case_insensitive);
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	347 bool extra_options = false;
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	348 parse_options (options, args, who, 2, extra_options);
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	349
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	350 regexp::match_data rx_lst = regexp_match (pattern, buffer, options, who);
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	351
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	352 string_vector named_pats = rx_lst.named_patterns ();
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	353
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	354 size_t sz = rx_lst.size ();
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	355
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	356 // Converted the linked list in the correct form for the return values
12464 dfeea9cae79e require PCRE to build Octave John W. Eaton <jwe@octave.org> parents: 12462 diff changeset	357
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	358 octave_idx_type i = 0;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	359 octave_scalar_map nmap;
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	360
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	361 retval.resize (7);
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	362
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	363 if (sz == 1)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	364 {
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	365 string_vector named_tokens = rx_lst.begin ()->named_tokens ();
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	366
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	367 for (int j = 0; j < named_pats.numel (); j++)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	368 nmap.assign (named_pats(j), named_tokens(j));
13310 583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	369
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	370 retval(5) = nmap;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	371 }
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	372 else
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	373 {
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	374 for (int j = 0; j < named_pats.numel (); j++)
7893 eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	375 {
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	376 Cell tmp (dim_vector (1, sz));
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	377
7893 eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	378 i = 0;
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	379 for (regexp::match_data::const_iterator p = rx_lst.begin ();
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	380 p != rx_lst.end (); p++)
13310 583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	381 {
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	382 string_vector named_tokens = p->named_tokens ();
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	383
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	384 tmp(i++) = named_tokens(j);
13310 583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	385 }
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	386
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	387 nmap.assign (named_pats(j), octave_value (tmp));
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	388 }
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	389
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	390 retval(5) = nmap;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	391 }
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	392
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	393 if (options.once ())
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	394 {
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	395 regexp::match_data::const_iterator p = rx_lst.begin ();
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	396
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	397 retval(4) = sz ? p->tokens () : Cell ();
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	398 retval(3) = sz ? p->match_string () : std::string ();
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	399 retval(2) = sz ? p->token_extents () : Matrix ();
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	400
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	401 if (sz)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	402 {
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	403 double start = p->start ();
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	404 double end = p->end ();
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	405
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	406 Cell split (dim_vector (1, 2));
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	407 split(0) = buffer.substr (0, start-1);
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	408 split(1) = buffer.substr (end);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	409
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	410 retval(6) = split;
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	411 retval(1) = end;
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	412 retval(0) = start;
7893 eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	413 }
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	414 else
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	415 {
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	416 retval(6) = buffer;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	417 retval(1) = Matrix ();
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	418 retval(0) = Matrix ();
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	419 }
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	420 }
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	421 else
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	422 {
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	423 Cell tokens (dim_vector (1, sz));
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	424 Cell match_string (dim_vector (1, sz));
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	425 Cell token_extents (dim_vector (1, sz));
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	426 NDArray end (dim_vector (1, sz));
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	427 NDArray start (dim_vector (1, sz));
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	428 Cell split (dim_vector (1, sz+1));
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	429 size_t sp_start = 0;
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	430
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	431 i = 0;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	432 for (regexp::match_data::const_iterator p = rx_lst.begin ();
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	433 p != rx_lst.end (); p++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	434 {
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	435 double s = p->start ();
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	436 double e = p->end ();
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	437
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	438 string_vector tmp = p->tokens ();
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	439 tokens(i) = Cell (dim_vector (1, tmp.numel ()), tmp);
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	440 match_string(i) = p->match_string ();
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	441 token_extents(i) = p->token_extents ();
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	442 end(i) = e;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	443 start(i) = s;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	444 split(i) = buffer.substr (sp_start, s-sp_start-1);
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	445 sp_start = e;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	446 i++;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	447 }
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	448
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	449 split(i) = buffer.substr (sp_start);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	450
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	451 retval(6) = split;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	452 retval(4) = tokens;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	453 retval(3) = match_string;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	454 retval(2) = token_extents;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	455 retval(1) = end;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	456 retval(0) = start;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	457 }
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	458
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	459 // Alter the order of the output arguments
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	460
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	461 if (extra_options)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	462 {
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	463 int n = 0;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	464 octave_value_list new_retval;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	465 new_retval.resize (nargout);
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	466
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	467 OCTAVE_LOCAL_BUFFER (int, arg_used, 6);
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	468 for (int j = 0; j < 6; j++)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	469 arg_used[j] = false;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	470
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	471 for (int j = 2; j < nargin; j++)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	472 {
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	473 int k = 0;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	474 std::string str = args(j).string_value ();
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	475 std::transform (str.begin (), str.end (), str.begin (), tolower);
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	476
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	477 if (str.find ("once", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	478 \|\| str.find ("stringanchors", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	479 \|\| str.find ("lineanchors", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	480 \|\| str.find ("matchcase", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	481 \|\| str.find ("ignorecase", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	482 \|\| str.find ("dotall", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	483 \|\| str.find ("dotexceptnewline", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	484 \|\| str.find ("literalspacing", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	485 \|\| str.find ("freespacing", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	486 \|\| str.find ("noemptymatch", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	487 \|\| str.find ("emptymatch", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	488 continue;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	489 else if (str.find ("start", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	490 k = 0;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	491 else if (str.find ("end", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	492 k = 1;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	493 else if (str.find ("tokenextents", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	494 k = 2;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	495 else if (str.find ("match", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	496 k = 3;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	497 else if (str.find ("tokens", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	498 k = 4;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	499 else if (str.find ("names", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	500 k = 5;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	501 else if (str.find ("split", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	502 k = 6;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	503
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	504 new_retval(n++) = retval(k);
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	505 arg_used[k] = true;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	506
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	507 if (n == nargout)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	508 break;
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	509 }
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	510
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	511 // Fill in the rest of the arguments
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	512 if (n < nargout)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	513 {
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	514 for (int j = 0; j < 6; j++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	515 {
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	516 if (! arg_used[j])
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	517 new_retval(n++) = retval(j);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	518 }
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	519 }
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	520
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	521 retval = new_retval;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	522 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	523
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	524 return retval;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	525 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	526
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	527 static octave_value_list
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	528 octcellregexp (const octave_value_list &args, int nargout,
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	529 const std::string &who, bool case_insensitive = false)
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	530 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	531 octave_value_list retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	532
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	533 if (args(0).is_cell ())
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	534 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	535 OCTAVE_LOCAL_BUFFER (Cell, newretval, nargout);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	536 octave_value_list new_args = args;
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	537 Cell cellstr = args(0).cell_value ();
9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	538 if (args(1).is_cell ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	539 {
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	540 Cell cellpat = args(1).cell_value ();
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	541
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	542 if (cellpat.numel () == 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	543 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	544 for (int j = 0; j < nargout; j++)
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	545 newretval[j].resize (cellstr.dims ());
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	546
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	547 new_args(1) = cellpat(0);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	548
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	549 for (octave_idx_type i = 0; i < cellstr.numel (); i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	550 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	551 new_args(0) = cellstr(i);
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	552 octave_value_list tmp = octregexp (new_args, nargout, who,
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	553 case_insensitive);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	554
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	555 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	556 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	557 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	558 }
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	559 else if (cellstr.numel () == 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	560 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	561 for (int j = 0; j < nargout; j++)
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	562 newretval[j].resize (cellpat.dims ());
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	563
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	564 new_args(0) = cellstr(0);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	565
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	566 for (octave_idx_type i = 0; i < cellpat.numel (); i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	567 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	568 new_args(1) = cellpat(i);
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	569 octave_value_list tmp = octregexp (new_args, nargout, who,
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	570 case_insensitive);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	571
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	572 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	573 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	574 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	575 }
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	576 else if (cellstr.numel () == cellpat.numel ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	577 {
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	578
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	579 if (cellstr.dims () != cellpat.dims ())
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	580 error ("%s: inconsistent cell array dimensions", who.c_str ());
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	581 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	582 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	583 for (int j = 0; j < nargout; j++)
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	584 newretval[j].resize (cellstr.dims ());
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	585
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	586 for (octave_idx_type i = 0; i < cellstr.numel (); i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	587 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	588 new_args(0) = cellstr(i);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	589 new_args(1) = cellpat(i);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	590
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	591 octave_value_list tmp = octregexp (new_args, nargout, who,
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	592 case_insensitive);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	593
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	594 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	595 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	596 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	597 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	598 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	599 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	600 error ("regexp: cell array arguments must be scalar or equal size");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	601 }
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	602 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	603 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	604 for (int j = 0; j < nargout; j++)
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	605 newretval[j].resize (cellstr.dims ());
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	606
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	607 for (octave_idx_type i = 0; i < cellstr.numel (); i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	608 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	609 new_args(0) = cellstr(i);
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	610 octave_value_list tmp = octregexp (new_args, nargout, who,
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	611 case_insensitive);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	612
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	613 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	614 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	615 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	616 }
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	617
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	618 for (int j = 0; j < nargout; j++)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	619 retval(j) = octave_value (newretval[j]);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	620 }
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	621 else if (args(1).is_cell ())
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	622 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	623 OCTAVE_LOCAL_BUFFER (Cell, newretval, nargout);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	624 octave_value_list new_args = args;
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	625 Cell cellpat = args(1).cell_value ();
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	626
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	627 for (int j = 0; j < nargout; j++)
14854 5ae9f0f77635 maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory Rik <octave@nomad.inbox5.com> parents: 14846 diff changeset	628 newretval[j].resize (cellpat.dims ());
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	629
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	630 for (octave_idx_type i = 0; i < cellpat.numel (); i++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	631 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	632 new_args(1) = cellpat(i);
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	633 octave_value_list tmp = octregexp (new_args, nargout, who,
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	634 case_insensitive);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	635
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	636 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	637 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	638 }
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	639
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	640 for (int j = 0; j < nargout; j++)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	641 retval(j) = octave_value (newretval[j]);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	642 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	643 else
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	644 retval = octregexp (args, nargout, who, case_insensitive);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	645
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	646 return retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	647
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	648 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	649
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	650 DEFUN (regexp, args, nargout,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	651 "-- texinfo --\n\
20853 1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20821 diff changeset	652 @deftypefn {} {[@var{s}, @var{e}, @var{te}, @var{m}, @var{t}, @var{nm}, @var{sp}] =} regexp (@var{str}, @var{pat})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20821 diff changeset	653 @deftypefnx {} {[@dots{}] =} regexp (@var{str}, @var{pat}, \"@var{opt1}\", @dots{})\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 20101 diff changeset	654 Regular expression string matching.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 20101 diff changeset	655 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 20101 diff changeset	656 Search for @var{pat} in @var{str} and return the positions and substrings of\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 20101 diff changeset	657 any matches, or empty values if there are none.\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	658 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	659 The matched pattern @var{pat} can include any of the standard regex\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	660 operators, including:\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	661 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	662 @table @code\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	663 @item .\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	664 Match any character\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	665 \n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	666 @item * + ? @{@}\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	667 Repetition operators, representing\n\
14366 b76f0740940e doc: Periodic grammar check of documentation. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	668 \n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	669 @table @code\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	670 @item *\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	671 Match zero or more times\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	672 \n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	673 @item +\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	674 Match one or more times\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	675 \n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	676 @item ?\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	677 Match zero or one times\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	678 \n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	679 @item @{@var{n}@}\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	680 Match exactly @var{n} times\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	681 \n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	682 @item @{@var{n},@}\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	683 Match @var{n} or more times\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	684 \n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	685 @item @{@var{m},@var{n}@}\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	686 Match between @var{m} and @var{n} times\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	687 @end table\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	688 \n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	689 @item [@dots{}] [^@dots{}]\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	690 \n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	691 List operators. The pattern will match any character listed between \"[\"\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	692 and \"]\". If the first character is \"^\" then the pattern is inverted and\n\
11032 c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE. Rik <octave@nomad.inbox5.com> parents: 11025 diff changeset	693 any character except those listed between brackets will match.\n\
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE. Rik <octave@nomad.inbox5.com> parents: 11025 diff changeset	694 \n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 20101 diff changeset	695 Escape sequences defined below can also be used inside list operators. For\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 20101 diff changeset	696 example, a template for a floating point number might be @code{[-+.\\d]+}.\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	697 \n\
14536 6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	698 @item () (?:)\n\
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	699 Grouping operator. The first form, parentheses only, also creates a token.\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	700 \n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	701 @item \|\n\
9036 58604c45ca74 Cleanup of data types related documentation Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	702 Alternation operator. Match one of a choice of regular expressions. The\n\
11032 c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE. Rik <octave@nomad.inbox5.com> parents: 11025 diff changeset	703 alternatives must be delimited by the grouping operator @code{()} above.\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	704 \n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	705 @item ^ $\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	706 Anchoring operators. Requires pattern to occur at the start (@code{^}) or\n\
11032 c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE. Rik <octave@nomad.inbox5.com> parents: 11025 diff changeset	707 end (@code{$}) of the string.\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	708 @end table\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	709 \n\
15173 8593bed236f1 doc: Document escape character processing within single quotes for regexp, warning, error. Rik <rik@octave.org> parents: 15039 diff changeset	710 In addition, the following escaped characters have special meaning.\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	711 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	712 @table @code\n\
16919 908b4956cbfd doc: remove '\b' from list of special regexp sequences (bug #38778). Rik <rik@octave.org> parents: 16918 diff changeset	713 \n\
908b4956cbfd doc: remove '\b' from list of special regexp sequences (bug #38778). Rik <rik@octave.org> parents: 16918 diff changeset	714 @item \\d\n\
908b4956cbfd doc: remove '\b' from list of special regexp sequences (bug #38778). Rik <rik@octave.org> parents: 16918 diff changeset	715 Match any digit\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	716 \n\
16919 908b4956cbfd doc: remove '\b' from list of special regexp sequences (bug #38778). Rik <rik@octave.org> parents: 16918 diff changeset	717 @item \\D\n\
908b4956cbfd doc: remove '\b' from list of special regexp sequences (bug #38778). Rik <rik@octave.org> parents: 16918 diff changeset	718 Match any non-digit\n\
908b4956cbfd doc: remove '\b' from list of special regexp sequences (bug #38778). Rik <rik@octave.org> parents: 16918 diff changeset	719 \n\
908b4956cbfd doc: remove '\b' from list of special regexp sequences (bug #38778). Rik <rik@octave.org> parents: 16918 diff changeset	720 @item \\s\n\
908b4956cbfd doc: remove '\b' from list of special regexp sequences (bug #38778). Rik <rik@octave.org> parents: 16918 diff changeset	721 Match any whitespace character\n\
908b4956cbfd doc: remove '\b' from list of special regexp sequences (bug #38778). Rik <rik@octave.org> parents: 16918 diff changeset	722 \n\
908b4956cbfd doc: remove '\b' from list of special regexp sequences (bug #38778). Rik <rik@octave.org> parents: 16918 diff changeset	723 @item \\S\n\
908b4956cbfd doc: remove '\b' from list of special regexp sequences (bug #38778). Rik <rik@octave.org> parents: 16918 diff changeset	724 Match any non-whitespace character\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	725 \n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	726 @item \\w\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	727 Match any word character\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	728 \n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	729 @item \\W\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	730 Match any non-word character\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	731 \n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	732 @item \\<\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	733 Match the beginning of a word\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	734 \n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	735 @item \\>\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	736 Match the end of a word\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	737 \n\
16919 908b4956cbfd doc: remove '\b' from list of special regexp sequences (bug #38778). Rik <rik@octave.org> parents: 16918 diff changeset	738 @item \\B\n\
908b4956cbfd doc: remove '\b' from list of special regexp sequences (bug #38778). Rik <rik@octave.org> parents: 16918 diff changeset	739 Match within a word\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	740 @end table\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	741 \n\
20041 dbf2418a46dd Document expansion of escape sequences in single quotes (bug #44745). Rik <rik@octave.org> parents: 19697 diff changeset	742 Implementation Note: For compatibility with @sc{matlab}, escape sequences\n\
20101 e51473fdb622 doc: Periodic grammarcheck of documentation. Rik <rik@octave.org> parents: 20041 diff changeset	743 in @var{pat} (e.g., @qcode{\"@xbackslashchar{}n\"} => newline) are expanded\n\
e51473fdb622 doc: Periodic grammarcheck of documentation. Rik <rik@octave.org> parents: 20041 diff changeset	744 even when @var{pat} has been defined with single quotes. To disable\n\
e51473fdb622 doc: Periodic grammarcheck of documentation. Rik <rik@octave.org> parents: 20041 diff changeset	745 expansion use a second backslash before the escape sequence (e.g.,\n\
e51473fdb622 doc: Periodic grammarcheck of documentation. Rik <rik@octave.org> parents: 20041 diff changeset	746 \"@xbackslashchar{}@xbackslashchar{}n\") or use the @code{regexptranslate}\n\
e51473fdb622 doc: Periodic grammarcheck of documentation. Rik <rik@octave.org> parents: 20041 diff changeset	747 function.\n\
15173 8593bed236f1 doc: Document escape character processing within single quotes for regexp, warning, error. Rik <rik@octave.org> parents: 15039 diff changeset	748 \n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	749 The outputs of @code{regexp} default to the order given below\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	750 \n\
11032 c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE. Rik <octave@nomad.inbox5.com> parents: 11025 diff changeset	751 @table @var\n\
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE. Rik <octave@nomad.inbox5.com> parents: 11025 diff changeset	752 @item s\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	753 The start indices of each matching substring\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	754 \n\
11032 c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE. Rik <octave@nomad.inbox5.com> parents: 11025 diff changeset	755 @item e\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	756 The end indices of each matching substring\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	757 \n\
11032 c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE. Rik <octave@nomad.inbox5.com> parents: 11025 diff changeset	758 @item te\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	759 The extents of each matched token surrounded by @code{(@dots{})} in\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	760 @var{pat}\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	761 \n\
11032 c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE. Rik <octave@nomad.inbox5.com> parents: 11025 diff changeset	762 @item m\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	763 A cell array of the text of each match\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	764 \n\
11032 c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE. Rik <octave@nomad.inbox5.com> parents: 11025 diff changeset	765 @item t\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	766 A cell array of the text of each token matched\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	767 \n\
11032 c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE. Rik <octave@nomad.inbox5.com> parents: 11025 diff changeset	768 @item nm\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	769 A structure containing the text of each matched named token, with the name\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	770 being used as the fieldname. A named token is denoted by\n\
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	771 @code{(?<name>@dots{})}.\n\
13929 9cae456085c2 Grammarcheck of documentation before 3.6.0 release. Rik <octave@nomad.inbox5.com> parents: 13759 diff changeset	772 \n\
13310 583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	773 @item sp\n\
14536 6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	774 A cell array of the text not returned by match, i.e., what remains if you\n\
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	775 split the string based on @var{pat}.\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	776 @end table\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	777 \n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	778 Particular output arguments, or the order of the output arguments, can be\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	779 selected by additional @var{opt} arguments. These are strings and the\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	780 correspondence between the output arguments and the optional argument\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	781 are\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	782 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	783 @multitable @columnfractions 0.2 0.3 0.3 0.2\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17097 diff changeset	784 @item @tab @qcode{'start'} @tab @var{s} @tab\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17097 diff changeset	785 @item @tab @qcode{'end'} @tab @var{e} @tab\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17097 diff changeset	786 @item @tab @qcode{'tokenExtents'} @tab @var{te} @tab\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17097 diff changeset	787 @item @tab @qcode{'match'} @tab @var{m} @tab\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17097 diff changeset	788 @item @tab @qcode{'tokens'} @tab @var{t} @tab\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17097 diff changeset	789 @item @tab @qcode{'names'} @tab @var{nm} @tab\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17097 diff changeset	790 @item @tab @qcode{'split'} @tab @var{sp} @tab\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	791 @end multitable\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	792 \n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	793 Additional arguments are summarized below.\n\
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	794 \n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	795 @table @samp\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	796 @item once\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	797 Return only the first occurrence of the pattern.\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	798 \n\
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	799 @item matchcase\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	800 Make the matching case sensitive. (default)\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	801 \n\
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	802 Alternatively, use (?-i) in the pattern.\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	803 \n\
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	804 @item ignorecase\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	805 Ignore case when matching the pattern to the string.\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	806 \n\
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	807 Alternatively, use (?i) in the pattern.\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	808 \n\
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	809 @item stringanchors\n\
12642 f96b9b9f141b doc: Periodic grammarcheck and spellcheck of documentation. Rik <octave@nomad.inbox5.com> parents: 12464 diff changeset	810 Match the anchor characters at the beginning and end of the string.\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	811 (default)\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	812 \n\
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	813 Alternatively, use (?-m) in the pattern.\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	814 \n\
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	815 @item lineanchors\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	816 Match the anchor characters at the beginning and end of the line.\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	817 \n\
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	818 Alternatively, use (?m) in the pattern.\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	819 \n\
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	820 @item dotall\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	821 The pattern @code{.} matches all characters including the newline character.\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	822 (default)\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	823 \n\
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	824 Alternatively, use (?s) in the pattern.\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	825 \n\
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	826 @item dotexceptnewline\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	827 The pattern @code{.} matches all characters except the newline character.\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	828 \n\
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	829 Alternatively, use (?-s) in the pattern.\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	830 \n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	831 @item literalspacing\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	832 All characters in the pattern, including whitespace, are significant and are\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	833 used in pattern matching. (default)\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	834 \n\
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	835 Alternatively, use (?-x) in the pattern.\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	836 \n\
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	837 @item freespacing\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	838 The pattern may include arbitrary whitespace and also comments beginning with\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	839 the character @samp{#}.\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	840 \n\
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	841 Alternatively, use (?x) in the pattern.\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	842 \n\
14536 6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	843 @item noemptymatch\n\
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	844 Zero-length matches are not returned. (default)\n\
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	845 \n\
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	846 @item emptymatch\n\
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	847 Return zero-length matches.\n\
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	848 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17097 diff changeset	849 @code{regexp ('a', 'b*', 'emptymatch')} returns @code{[1 2]} because there\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17097 diff changeset	850 are zero or more @qcode{'b'} characters at positions 1 and end-of-string.\n\
14536 6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	851 \n\
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	852 @end table\n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11553 diff changeset	853 @seealso{regexpi, strfind, regexprep}\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	854 @end deftypefn")
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	855 {
20821 b169da150702 Eliminate unnecessary uses of nargin. Rik <rik@octave.org> parents: 20819 diff changeset	856 if (args.length () < 2)
b169da150702 Eliminate unnecessary uses of nargin. Rik <rik@octave.org> parents: 20819 diff changeset	857 print_usage ();
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	858
20821 b169da150702 Eliminate unnecessary uses of nargin. Rik <rik@octave.org> parents: 20819 diff changeset	859 octave_value_list retval;
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	860
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	861 if (args(0).is_cell () \|\| args(1).is_cell ())
14454 2232931f2494 Return regexp output when input is a cellstr and there is no return variable assignment. Rik <octave@nomad.inbox5.com> parents: 14453 diff changeset	862 retval = octcellregexp (args, (nargout > 0 ? nargout : 1), "regexp");
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	863 else
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	864 retval = octregexp (args, nargout, "regexp");
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	865
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	866 return retval;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	867 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	868
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	869 /*
8140 cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	870 ## PCRE_ERROR_MATCHLIMIT test
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	871 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	872 %! s = sprintf ('\t4\n0000\t-0.00\t-0.0000\t4\t-0.00\t-0.0000\t4\n0000\t-0.00\t-0.0000\t0\t-0.00\t-');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	873 %! ws = warning ("query");
8140 cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	874 %! unwind_protect
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	875 %! warning ("off");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	876 %! regexp (s, '(\s-\d+[.]\d\s*)+\n');
8140 cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	877 %! unwind_protect_cleanup
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	878 %! warning (ws);
8140 cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	879 %! end_unwind_protect
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	880
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	881 ## segfault test
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	882 %!assert (regexp ("abcde", "."), [1,2,3,4,5])
13759 c4b6ea833fa5 Fix infinite loop with null patterns in regexp (Bug #34101, Bug #33258) Rik <octave@nomad.inbox5.com> parents: 13311 diff changeset	883 ## Infinite loop test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	884 %!assert (isempty (regexp ("abcde", "")))
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	885
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	886 ## Check that anchoring of pattern works correctly
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	887 %!assert (regexp ('abcabc', '^abc'), 1)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	888 %!assert (regexp ('abcabc', 'abc$'), 4)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	889 %!assert (regexp ('abcabc', '^abc$'), zeros (1,0))
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	890
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	891 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	892 %! [s, e, te, m, t] = regexp (' No Match ', 'f(.*)uck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	893 %! assert (s, zeros (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	894 %! assert (e, zeros (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	895 %! assert (te, cell (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	896 %! assert (m, cell (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	897 %! assert (t, cell (1,0));
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	898
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	899 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	900 %! [s, e, te, m, t] = regexp (' FiRetrUck ', 'f(.*)uck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	901 %! assert (s, zeros (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	902 %! assert (e, zeros (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	903 %! assert (te, cell (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	904 %! assert (m, cell (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	905 %! assert (t, cell (1,0));
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	906
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	907 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	908 %! [s, e, te, m, t] = regexp (' firetruck ', 'f(.*)uck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	909 %! assert (s, 2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	910 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	911 %! assert (te{1}, [3, 7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	912 %! assert (m{1}, 'firetruck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	913 %! assert (t{1}{1}, 'iretr');
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	914
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	915 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	916 %! [s, e, te, m, t] = regexp ('short test string', '\wr\w');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	917 %! assert (s, [1, 12]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	918 %! assert (e, [5, 17]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	919 %! assert (size (te), [1, 2]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	920 %! assert (isempty (te{1}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	921 %! assert (isempty (te{2}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	922 %! assert (m{1}, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	923 %! assert (m{2}, 'string');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	924 %! assert (size (t), [1, 2]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	925 %! assert (isempty (t{1}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	926 %! assert (isempty (t{2}));
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	927
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	928 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	929 %! [s, e, te, m, t] = regexp ('short test string', '\wr\w', 'once');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	930 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	931 %! assert (e, 5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	932 %! assert (isempty (te));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	933 %! assert (m, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	934 %! assert (isempty (t));
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	935
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	936 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	937 %! [m, te, e, s, t] = regexp ('short test string', '\wr\w', 'once', 'match', 'tokenExtents', 'end', 'start', 'tokens');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	938 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	939 %! assert (e, 5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	940 %! assert (isempty (te));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	941 %! assert (m, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	942 %! assert (isempty (t));
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	943
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	944 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	945 %! [s, e, te, m, t, nm] = regexp ('short test string', '(?<word1>\wt)\s(?<word2>\w*t)');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	946 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	947 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	948 %! assert (size (te), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	949 %! assert (te{1}, [1,5; 7,10]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	950 %! assert (m{1}, 'short test');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	951 %! assert (size (t), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	952 %! assert (t{1}{1}, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	953 %! assert (t{1}{2}, 'test');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	954 %! assert (size (nm), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	955 %! assert (! isempty (fieldnames (nm)));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	956 %! assert (sort (fieldnames (nm)), {'word1';'word2'});
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	957 %! assert (nm.word1, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	958 %! assert (nm.word2, 'test');
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	959
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	960 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	961 %! [nm, m, te, e, s, t] = regexp ('short test string', '(?<word1>\wt)\s(?<word2>\w*t)', 'names', 'match', 'tokenExtents', 'end', 'start', 'tokens');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	962 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	963 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	964 %! assert (size (te), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	965 %! assert (te{1}, [1,5; 7,10]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	966 %! assert (m{1}, 'short test');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	967 %! assert (size (t), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	968 %! assert (t{1}{1}, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	969 %! assert (t{1}{2}, 'test');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	970 %! assert (size (nm), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	971 %! assert (!isempty (fieldnames (nm)));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	972 %! assert (sort (fieldnames (nm)), {'word1';'word2'});
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	973 %! assert (nm.word1, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	974 %! assert (nm.word2, 'test');
5619 e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman] dbateman parents: 5582 diff changeset	975
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	976 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	977 %! [t, nm] = regexp ("John Davis\nRogers, James", '(?<first>\w+)\s+(?<last>\w+)\|(?<last>\w+),\s+(?<first>\w+)', 'tokens', 'names');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	978 %! assert (size (t), [1, 2]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	979 %! assert (t{1}{1}, 'John');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	980 %! assert (t{1}{2}, 'Davis');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	981 %! assert (t{2}{1}, 'Rogers');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	982 %! assert (t{2}{2}, 'James');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	983 %! assert (size (nm), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	984 %! assert (nm.first{1}, 'John');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	985 %! assert (nm.first{2}, 'James');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	986 %! assert (nm.last{1}, 'Davis');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	987 %! assert (nm.last{2}, 'Rogers');
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	988
14452 721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683). Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	989 ## Tests for named tokens
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	990 %!test
17336 b81b9d079515 Use '##' for comments which stand alone on a line. Rik <rik@octave.org> parents: 17281 diff changeset	991 %! ## Parenthesis in named token (ie (int)) causes a problem
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	992 %! assert (regexp ('qwe int asd', ['(?<typestr>(int))'], 'names'), struct ('typestr', 'int'));
10518 fcafe0e9bd58 Handle repeated matches in matches returned by pcre David Bateman <dbateman@free.fr> parents: 10504 diff changeset	993
14452 721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683). Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	994 %!test
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683). Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	995 %! ## Mix of named and unnamed tokens can cause segfault (bug #35683)
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683). Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	996 %! str = "abcde";
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683). Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	997 %! ptn = '(?<T1>a)(\w+)(?<T2>d\w+)';
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683). Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	998 %! tokens = regexp (str, ptn, "names");
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683). Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	999 %! assert (isstruct (tokens) && numel (tokens) == 1);
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683). Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	1000 %! assert (tokens.T1, "a");
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683). Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	1001 %! assert (tokens.T2, "de");
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683). Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	1002
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1003 %!assert (regexp ("abc\nabc", '.'), [1:7])
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1004 %!assert (regexp ("abc\nabc", '.', 'dotall'), [1:7])
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	1005 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1006 %! assert (regexp ("abc\nabc", '(?s).'), [1:7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1007 %! assert (regexp ("abc\nabc", '.', 'dotexceptnewline'), [1,2,3,5,6,7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1008 %! assert (regexp ("abc\nabc", '(?-s).'), [1,2,3,5,6,7]);
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1009
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1010 %!assert (regexp ("caseCaSe", 'case'), 1)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1011 %!assert (regexp ("caseCaSe", 'case', "matchcase"), 1)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1012 %!assert (regexp ("caseCaSe", 'case', "ignorecase"), [1,5])
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	1013 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1014 %! assert (regexp ("caseCaSe", '(?-i)case'), 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1015 %! assert (regexp ("caseCaSe", '(?i)case'), [1, 5]);
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1016
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1017 %!assert (regexp ("abc\nabc", 'c$'), 7)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1018 %!assert (regexp ("abc\nabc", 'c$', "stringanchors"), 7)
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	1019 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1020 %! assert (regexp ("abc\nabc", '(?-m)c$'), 7);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1021 %! assert (regexp ("abc\nabc", 'c$',"lineanchors"), [3, 7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1022 %! assert (regexp ("abc\nabc", '(?m)c$'), [3,7]);
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1023
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1024 %!assert (regexp ("this word", 's w'), 4)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1025 %!assert (regexp ("this word", 's w', 'literalspacing'), 4)
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	1026 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1027 %! assert (regexp ("this word", '(?-x)s w', 'literalspacing'), 4);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1028 %! assert (regexp ("this word", 's w', 'freespacing'), zeros (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1029 %! assert (regexp ("this word", '(?x)s w'), zeros (1,0));
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1030
14536 6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1031 %!test
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1032 %! [s, e, te, m, t, nm, sp] = regexp ('OCTAVE', '[VOCT]*', 'noemptymatch');
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1033 %! assert (s, [1 5]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1034 %! assert (e, [3 5]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1035 %! assert (te, { zeros(0,2), zeros(0,2) });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1036 %! assert (m, { "OCT", "V" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1037 %! assert (t, { cell(1,0), cell(1,0) });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1038 %! assert (isempty (fieldnames (nm)));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1039 %! assert (sp, { "", "A", "E" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1040
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1041 %!test
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1042 %! [s, e, te, m, t, nm, sp] = regexp ('OCTAVE', '([VOCT]*)', 'noemptymatch');
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1043 %! assert (s, [1 5]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1044 %! assert (e, [3 5]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1045 %! assert (te, { [1 3], [5 5] });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1046 %! assert (m, { "OCT", "V" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1047 %! assert (t, { {"OCT"}, {"V"} });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1048 %! assert (isempty (fieldnames (nm)));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1049 %! assert (sp, { "", "A", "E" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1050
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1051 %!test
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1052 %! [s, e, te, m, t, nm, sp] = regexp ('OCTAVE', '[VOCT]*', 'emptymatch');
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1053 %! assert (s, [1 4 5 6 7]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1054 %! assert (e, [3 3 5 5 6]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1055 %! assert (te, repmat ({zeros(0,2)}, [1, 5]));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1056 %! assert (m, { "OCT", "", "V", "", "" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1057 %! assert (t, repmat({cell(1,0)}, [1, 5]));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1058 %! assert (isempty (fieldnames (nm)));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1059 %! assert (sp, { "", "", "A", "", "E", "" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1060
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1061 %!test
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1062 %! [s, e, te, m, t, nm, sp] = regexp ('OCTAVE', '([VOCT]*)', 'emptymatch');
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1063 %! assert (s, [1 4 5 6 7]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1064 %! assert (e, [3 3 5 5 6]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1065 %! assert (te, { [1 3], [4 3], [5 5], [6 5], [7 6] });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1066 %! assert (m, { "OCT", "", "V", "", "" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1067 %! assert (t, { {"OCT"}, {""}, {"V"}, {""}, {""} });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1068 %! assert (isempty (fieldnames (nm)));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1069 %! assert (sp, { "", "", "A", "", "E", "" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1070
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1071 %!error regexp ('string', 'tri', 'BadArg')
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1072 %!error regexp ('string')
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1073
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1074 %!assert (regexp ({'asdfg-dfd';'-dfd-dfd-';'qasfdfdaq'}, '-'), {6;[1,5,9];zeros(1,0)})
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1075 %!assert (regexp ({'asdfg-dfd';'-dfd-dfd-';'qasfdfdaq'}, {'-';'f';'q'}), {6;[3,7];[1,9]})
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1076 %!assert (regexp ('Strings', {'t','s'}), {2, 7})
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1077
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	1078 ## Test case for lookaround operators
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	1079 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1080 %! assert (regexp ('Iraq', 'q(?!u)'), 4);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1081 %! assert (regexp ('quit', 'q(?!u)'), zeros (1, 0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1082 %! assert (regexp ('quit', 'q(?=u)' , 'match'), {'q'});
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1083 %! assert (regexp ("quit", 'q(?=u+)', 'match'), {'q'});
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1084 %! assert (regexp ("qit", 'q(?=u+)', 'match'), cell (1, 0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1085 %! assert (regexp ("qit", 'q(?=u*)', 'match'), {'q'});
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1086 %! assert (regexp ('thingamabob', '(?<=a)b'), 9);
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	1087
13310 583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1088 ## Tests for split option.
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1089 %!shared str
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1090 %! str = "foo bar foo";
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1091 %!test
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1092 %! [a, b] = regexp (str, "f..", "match", "split");
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1093 %! assert (a, {"foo", "foo"});
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1094 %! assert (b, {"", " bar ", ""});
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1095 %!test
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1096 %! [a, b] = regexp (str, "f..", "match", "split", "once");
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1097 %! assert (a, "foo");
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1098 %! assert (b, {"", " bar foo"});
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1099 %!test
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1100 %! [a, b] = regexp (str, "fx.", "match", "split");
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1101 %! assert (a, cell (1, 0));
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1102 %! assert (b, {"foo bar foo"});
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1103 %!test
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1104 %! [a, b] = regexp (str, "fx.", "match", "split", "once");
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1105 %! assert (a, "");;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1106 %! assert (b, "foo bar foo");
13310 583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1107
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1108 %!shared str
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1109 %! str = "foo bar";
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1110 %!test
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1111 %! [a, b] = regexp (str, "f..", "match", "split");
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1112 %! assert (a, {"foo"});
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1113 %! assert (b, {"", " bar"});
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1114 %!test
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1115 %! [a, b] = regexp (str, "b..", "match", "split");
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1116 %! assert (a, {"bar"});
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1117 %! assert (b, {"foo ", ""});
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1118 %!test
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1119 %! [a, b] = regexp (str, "x", "match", "split");
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1120 %! assert (a, cell (1, 0));
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1121 %! assert (b, {"foo bar"});
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1122 %!test
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1123 %! [a, b] = regexp (str, "[o]+", "match", "split");
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1124 %! assert (a, {"oo"});
583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1125 %! assert (b, {"f", " bar"});
14543 e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	1126
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	1127 %!assert (regexp ("\n", '\n'), 1);
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	1128 %!assert (regexp ("\n", "\n"), 1);
20290 b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	1129
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	1130 %!test # Bug #45407, escape sequences are silently converted
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	1131 %! assert (regexprep ('s', 's', 'x\.y'), 'x.y');
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	1132 %! assert (regexprep ('s', '(s)', 'x\$1y'), 'x$1y');
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	1133 %! assert (regexprep ('s', '(s)', 'x\\$1y'), 'x\sy');
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407). Rik <rik@octave.org> parents: 20232 diff changeset	1134
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1135 */
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1136
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	1137 DEFUN (regexpi, args, nargout,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1138 "-- texinfo --\n\
20853 1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20821 diff changeset	1139 @deftypefn {} {[@var{s}, @var{e}, @var{te}, @var{m}, @var{t}, @var{nm}, @var{sp}] =} regexpi (@var{str}, @var{pat})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20821 diff changeset	1140 @deftypefnx {} {[@dots{}] =} regexpi (@var{str}, @var{pat}, \"@var{opt1}\", @dots{})\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1141 \n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 20101 diff changeset	1142 Case insensitive regular expression string matching.\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 20101 diff changeset	1143 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 20101 diff changeset	1144 Search for @var{pat} in @var{str} and return the positions and substrings of\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 20101 diff changeset	1145 any matches, or empty values if there are none. @xref{XREFregexp,,regexp},\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 20101 diff changeset	1146 for details on the syntax of the search pattern.\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	1147 @seealso{regexp}\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1148 @end deftypefn")
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1149 {
20821 b169da150702 Eliminate unnecessary uses of nargin. Rik <rik@octave.org> parents: 20819 diff changeset	1150 if (args.length () < 2)
b169da150702 Eliminate unnecessary uses of nargin. Rik <rik@octave.org> parents: 20819 diff changeset	1151 print_usage ();
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1152
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20700 diff changeset	1153 if (args(0).is_cell () \|\| args(1).is_cell ())
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1154 return octcellregexp (args, (nargout > 0 ? nargout : 1), "regexpi", true);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1155 else
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1156 return octregexp (args, nargout, "regexpi", true);
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1157 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1158
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1159 /*
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1160 ## segfault test
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1161 %!assert (regexpi ("abcde", "."), [1,2,3,4,5])
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1162
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1163 ## Check that anchoring of pattern works correctly
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1164 %!assert (regexpi ('abcabc', '^ABC'), 1)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1165 %!assert (regexpi ('abcabc', 'ABC$'), 4)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1166 %!assert (regexpi ('abcabc', '^ABC$'), zeros (1,0))
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1167
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1168 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1169 %! [s, e, te, m, t] = regexpi (' No Match ', 'f(.*)uck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1170 %! assert (s, zeros (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1171 %! assert (e, zeros (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1172 %! assert (te, cell (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1173 %! assert (m, cell (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1174 %! assert (t, cell (1,0));
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1175
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1176 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1177 %! [s, e, te, m, t] = regexpi (' FiRetrUck ', 'f(.*)uck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1178 %! assert (s, 2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1179 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1180 %! assert (te{1}, [3, 7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1181 %! assert (m{1}, 'FiRetrUck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1182 %! assert (t{1}{1}, 'iRetr');
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1183
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1184 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1185 %! [s, e, te, m, t] = regexpi (' firetruck ', 'f(.*)uck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1186 %! assert (s, 2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1187 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1188 %! assert (te{1}, [3, 7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1189 %! assert (m{1}, 'firetruck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1190 %! assert (t{1}{1}, 'iretr');
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1191
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1192 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1193 %! [s, e, te, m, t] = regexpi ('ShoRt Test String', '\wr\w');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1194 %! assert (s, [1, 12]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1195 %! assert (e, [5, 17]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1196 %! assert (size (te), [1, 2]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1197 %! assert (isempty (te{1}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1198 %! assert (isempty (te{2}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1199 %! assert (m{1}, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1200 %! assert (m{2}, 'String');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1201 %! assert (size (t), [1, 2]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1202 %! assert (isempty (t{1}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1203 %! assert (isempty (t{2}));
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1204
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1205 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1206 %! [s, e, te, m, t] = regexpi ('ShoRt Test String', '\wr\w', 'once');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1207 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1208 %! assert (e, 5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1209 %! assert (isempty (te));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1210 %! assert (m, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1211 %! assert (isempty (t));
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1212
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1213 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1214 %! [m, te, e, s, t] = regexpi ('ShoRt Test String', '\wr\w', 'once', 'match', 'tokenExtents', 'end', 'start', 'tokens');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1215 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1216 %! assert (e, 5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1217 %! assert (isempty (te));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1218 %! assert (m, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1219 %! assert (isempty (t));
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1220
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	1221 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1222 %! [s, e, te, m, t, nm] = regexpi ('ShoRt Test String', '(?<word1>\wt)\s(?<word2>\w*t)');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1223 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1224 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1225 %! assert (size (te), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1226 %! assert (te{1}, [1,5; 7,10]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1227 %! assert (m{1}, 'ShoRt Test');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1228 %! assert (size (t), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1229 %! assert (t{1}{1}, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1230 %! assert (t{1}{2}, 'Test');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1231 %! assert (size (nm), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1232 %! assert (! isempty (fieldnames (nm)));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1233 %! assert (sort (fieldnames (nm)), {'word1';'word2'});
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1234 %! assert (nm.word1, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1235 %! assert (nm.word2, 'Test');
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1236
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	1237 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1238 %! [nm, m, te, e, s, t] = regexpi ('ShoRt Test String', '(?<word1>\wt)\s(?<word2>\w*t)', 'names', 'match', 'tokenExtents', 'end', 'start', 'tokens');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1239 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1240 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1241 %! assert (size (te), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1242 %! assert (te{1}, [1,5; 7,10]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1243 %! assert (m{1}, 'ShoRt Test');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1244 %! assert (size (t), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1245 %! assert (t{1}{1}, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1246 %! assert (t{1}{2}, 'Test');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1247 %! assert (size (nm), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1248 %! assert (!isempty (fieldnames (nm)));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1249 %! assert (sort (fieldnames (nm)), {'word1';'word2'});
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1250 %! assert (nm.word1, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1251 %! assert (nm.word2, 'Test');
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1252
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1253 %!assert (regexpi ("abc\nabc", '.'), [1:7])
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1254 %!assert (regexpi ("abc\nabc", '.', 'dotall'), [1:7])
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	1255 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1256 %! assert (regexpi ("abc\nabc", '(?s).'), [1:7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1257 %! assert (regexpi ("abc\nabc", '.', 'dotexceptnewline'), [1,2,3,5,6,7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1258 %! assert (regexpi ("abc\nabc", '(?-s).'), [1,2,3,5,6,7]);
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1259
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1260 %!assert (regexpi ("caseCaSe", 'case'), [1, 5])
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1261 %!assert (regexpi ("caseCaSe", 'case', "matchcase"), 1)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1262 %!assert (regexpi ("caseCaSe", 'case', "ignorecase"), [1, 5])
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	1263 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1264 %! assert (regexpi ("caseCaSe", '(?-i)case'), 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1265 %! assert (regexpi ("caseCaSe", '(?i)case'), [1, 5]);
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1266
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1267 %!assert (regexpi ("abc\nabc", 'C$'), 7)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1268 %!assert (regexpi ("abc\nabc", 'C$', "stringanchors"), 7)
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	1269 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1270 %! assert (regexpi ("abc\nabc", '(?-m)C$'), 7);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1271 %! assert (regexpi ("abc\nabc", 'C$', "lineanchors"), [3, 7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1272 %! assert (regexpi ("abc\nabc", '(?m)C$'), [3, 7]);
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1273
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1274 %!assert (regexpi ("this word", 'S w'), 4)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1275 %!assert (regexpi ("this word", 'S w', 'literalspacing'), 4)
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	1276 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1277 %! assert (regexpi ("this word", '(?-x)S w', 'literalspacing'), 4);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1278 %! assert (regexpi ("this word", 'S w', 'freespacing'), zeros (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1279 %! assert (regexpi ("this word", '(?x)S w'), zeros (1,0));
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1280
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1281 %!error regexpi ('string', 'tri', 'BadArg')
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1282 %!error regexpi ('string')
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1283
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1284 %!assert (regexpi ({'asdfg-dfd';'-dfd-dfd-';'qasfdfdaq'}, '-'), {6;[1,5,9];zeros(1, 0)})
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1285 %!assert (regexpi ({'asdfg-dfd', '-dfd-dfd-', 'qasfdfdaq'}, '-'), {6, [1,5,9], zeros(1,0)})
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1286 %!assert (regexpi ({'asdfg-dfd';'-dfd-dfd-';'qasfdfdaq'}, {'-';'f';'q'}), {6;[3,7];[1,9]})
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1287 %!assert (regexpi ('Strings', {'t', 's'}), {2, [1, 7]})
14543 e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	1288
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	1289 %!assert (regexpi ("\n", '\n'), 1);
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	1290 %!assert (regexpi ("\n", "\n"), 1);
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1291 */
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1292
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1293 static octave_value
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	1294 octregexprep (const octave_value_list &args, const std::string &who)
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1295 {
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1296 octave_value retval;
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1297
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1298 int nargin = args.length ();
9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1299
9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1300 // Make sure we have string, pattern, replacement
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1301 const std::string buffer = args(0).string_value ();
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1302
14543 e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	1303 std::string pattern = args(1).string_value ();
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1304
14543 e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	1305 // Matlab compatibility.
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	1306 if (args(1).is_sq_string ())
15541 9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	1307 pattern = do_regexp_ptn_string_escapes (pattern);
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1308
14543 e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	1309 std::string replacement = args(2).string_value ();
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1310
14543 e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	1311 // Matlab compatibility.
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	1312 if (args(2).is_sq_string ())
15541 9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092) Rik <rik@octave.org> parents: 15195 diff changeset	1313 replacement = do_regexp_rep_string_escapes (replacement);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1314
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1315 // Pack options excluding 'tokenize' and various output
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1316 // reordering strings into regexp arg list
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	1317 octave_value_list regexpargs (nargin-3, octave_value ());
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1318
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	1319 int len = 0;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1320 for (int i = 3; i < nargin; i++)
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1321 {
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1322 const std::string opt = args(i).string_value ();
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1323 if (opt != "tokenize" && opt != "start" && opt != "end"
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1324 && opt != "tokenextents" && opt != "match" && opt != "tokens"
13310 583940a28bfd handle "split" option for regexp John W. Eaton <jwe@octave.org> parents: 13227 diff changeset	1325 && opt != "names" && opt != "split" && opt != "warnings")
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1326 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1327 regexpargs(len++) = args(i);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1328 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1329 }
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1330 regexpargs.resize (len);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11572 diff changeset	1331
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	1332 regexp::opts options;
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	1333 bool extra_args = false;
fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	1334 parse_options (options, regexpargs, who, 0, extra_args);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1335
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	1336 return regexp_replace (pattern, buffer, replacement, options, who);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1337 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1338
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	1339 DEFUN (regexprep, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1340 "-- texinfo --\n\
20853 1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20821 diff changeset	1341 @deftypefn {} {@var{outstr} =} regexprep (@var{string}, @var{pat}, @var{repstr})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20821 diff changeset	1342 @deftypefnx {} {@var{outstr} =} regexprep (@var{string}, @var{pat}, @var{repstr}, \"@var{opt1}\", @dots{})\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	1343 Replace occurrences of pattern @var{pat} in @var{string} with @var{repstr}.\n\
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1344 \n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	1345 The pattern is a regular expression as documented for @code{regexp}.\n\
17097 e7a059a9a644 doc: Use XREF as anchor prefix in documentation for clearer results in Info viewer. Rik <rik@octave.org> parents: 16940 diff changeset	1346 @xref{XREFregexp,,regexp}.\n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	1347 \n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 20101 diff changeset	1348 The replacement string may contain @code{$i}, which substitutes for the ith\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 20101 diff changeset	1349 set of parentheses in the match string. For example,\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	1350 \n\
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1351 @example\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	1352 regexprep (\"Bill Dunn\", '(\\w+) (\\w+)', '$2, $1')\n\
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1353 @end example\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10551 diff changeset	1354 \n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	1355 @noindent\n\
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1356 returns \"Dunn, Bill\"\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1357 \n\
11025 df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	1358 Options in addition to those of @code{regexp} are\n\
df2152514429 Update docstrings for regular expression functions Rik <octave@nomad.inbox5.com> parents: 11018 diff changeset	1359 \n\
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1360 @table @samp\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1361 \n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1362 @item once\n\
7001 8b0cfeb06365 [project @ 2007-10-10 18:02:59 by jwe] jwe parents: 6678 diff changeset	1363 Replace only the first occurrence of @var{pat} in the result.\n\
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1364 \n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1365 @item warnings\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1366 This option is present for compatibility but is ignored.\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1367 \n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1368 @end table\n\
15173 8593bed236f1 doc: Document escape character processing within single quotes for regexp, warning, error. Rik <rik@octave.org> parents: 15039 diff changeset	1369 \n\
20041 dbf2418a46dd Document expansion of escape sequences in single quotes (bug #44745). Rik <rik@octave.org> parents: 19697 diff changeset	1370 Implementation Note: For compatibility with @sc{matlab}, escape sequences\n\
20101 e51473fdb622 doc: Periodic grammarcheck of documentation. Rik <rik@octave.org> parents: 20041 diff changeset	1371 in @var{pat} (e.g., @qcode{\"@xbackslashchar{}n\"} => newline) are expanded\n\
e51473fdb622 doc: Periodic grammarcheck of documentation. Rik <rik@octave.org> parents: 20041 diff changeset	1372 even when @var{pat} has been defined with single quotes. To disable\n\
e51473fdb622 doc: Periodic grammarcheck of documentation. Rik <rik@octave.org> parents: 20041 diff changeset	1373 expansion use a second backslash before the escape sequence (e.g.,\n\
e51473fdb622 doc: Periodic grammarcheck of documentation. Rik <rik@octave.org> parents: 20041 diff changeset	1374 \"@xbackslashchar{}@xbackslashchar{}n\") or use the @code{regexptranslate}\n\
e51473fdb622 doc: Periodic grammarcheck of documentation. Rik <rik@octave.org> parents: 20041 diff changeset	1375 function.\n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11553 diff changeset	1376 @seealso{regexp, regexpi, strrep}\n\
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1377 @end deftypefn")
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1378 {
20821 b169da150702 Eliminate unnecessary uses of nargin. Rik <rik@octave.org> parents: 20819 diff changeset	1379 if (args.length () < 3)
b169da150702 Eliminate unnecessary uses of nargin. Rik <rik@octave.org> parents: 20819 diff changeset	1380 print_usage ();
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1381
20821 b169da150702 Eliminate unnecessary uses of nargin. Rik <rik@octave.org> parents: 20819 diff changeset	1382 octave_value_list retval;
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1383
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1384 if (args(0).is_cell () \|\| args(1).is_cell () \|\| args(2).is_cell ())
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1385 {
20821 b169da150702 Eliminate unnecessary uses of nargin. Rik <rik@octave.org> parents: 20819 diff changeset	1386 Cell str, pat, rep;
6495 fd09c7e8c4c9 [project @ 2007-04-05 16:18:20 by dbateman] dbateman parents: 6361 diff changeset	1387 dim_vector dv0;
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1388 dim_vector dv1 (1, 1);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1389
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1390 if (args(0).is_cell ())
9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1391 str = args(0).cell_value ();
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1392 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1393 str = Cell (args(0));
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1394
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1395 if (args(1).is_cell ())
9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1396 pat = args(1).cell_value ();
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1397 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1398 pat = Cell (args(1));
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1399
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1400 if (args(2).is_cell ())
9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1401 rep = args(2).cell_value ();
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1402 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1403 rep = Cell (args(2));
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1404
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1405 dv0 = str.dims ();
9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1406 if (pat.numel () != 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1407 {
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1408 dv1 = pat.dims ();
9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1409 if (rep.numel () != 1 && dv1 != rep.dims ())
14024 fc9f204faea0 refactor regexp (bug #34440) John W. Eaton <jwe@octave.org> parents: 13929 diff changeset	1410 error ("regexprep: inconsistent cell array dimensions");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1411 }
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1412 else if (rep.numel () != 1)
9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1413 dv1 = rep.dims ();
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1414
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1415 Cell ret (dv0);
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1416 octave_value_list new_args = args;
13227 9559417aa965 maint: regexp.cc style fixes John W. Eaton <jwe@octave.org> parents: 12642 diff changeset	1417
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1418 for (octave_idx_type i = 0; i < dv0.numel (); i++)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1419 {
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1420 new_args(0) = str(i);
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1421 if (pat.numel () == 1)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1422 new_args(1) = pat(0);
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1423 if (rep.numel () == 1)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1424 new_args(2) = rep(0);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1425
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1426 for (octave_idx_type j = 0; j < dv1.numel (); j++)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1427 {
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1428 if (pat.numel () != 1)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1429 new_args(1) = pat(j);
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1430 if (rep.numel () != 1)
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1431 new_args(2) = rep(j);
1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1432 new_args(0) = octregexprep (new_args, "regexprep");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1433 }
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1434
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1435 ret(i) = new_args(0);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1436 }
20558 1a0a433c8263 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20290 diff changeset	1437
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1438 retval = args(0).is_cell () ? ovl (ret)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1439 : ovl (ret(0));
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1440 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1441 else
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1442 retval = octregexprep (args, "regexprep");
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1443
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1444 return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1445 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1446
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1447 /*
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1448 %!test # Replace with empty
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1449 %! xml = '<!-- This is some XML --> <tag v="hello">some stuff<!-- sample tag--></tag>';
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1450 %! t = regexprep (xml, '<[!?][^>]*>', '');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1451 %! assert (t, ' <tag v="hello">some stuff</tag>');
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1452
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1453 %!test # Replace with non-empty
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1454 %! xml = '<!-- This is some XML --> <tag v="hello">some stuff<!-- sample tag--></tag>';
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1455 %! t = regexprep (xml, '<[!?][^>]*>', '?');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1456 %! assert (t, '? <tag v="hello">some stuff?</tag>');
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1457
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1458 %!test # Check that 'tokenize' is ignored
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1459 %! xml = '<!-- This is some XML --> <tag v="hello">some stuff<!-- sample tag--></tag>';
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1460 %! t = regexprep (xml, '<[!?][^>]*>', '', 'tokenize');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1461 %! assert (t, ' <tag v="hello">some stuff</tag>');
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1462
11032 c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE. Rik <octave@nomad.inbox5.com> parents: 11025 diff changeset	1463 ## Test capture replacement
12462 e4dbfe3019b1 Use PCRE regular expressions throughout Octave. Rik <octave@nomad.inbox5.com> parents: 12433 diff changeset	1464 %!test
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1465 %! data = "Bob Smith\nDavid Hollerith\nSam Jenkins";
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1466 %! result = "Smith, Bob\nHollerith, David\nJenkins, Sam";
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1467 %! t = regexprep (data, '(?m)^(\w+)\s+(\w+)$', '$2, $1');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1468 %! assert (t, result);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1469
11032 c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE. Rik <octave@nomad.inbox5.com> parents: 11025 diff changeset	1470 ## Return the original if no match
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1471 %!assert (regexprep ('hello', 'world', 'earth'), 'hello')
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1472
14536 6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1473 ## Test emptymatch
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1474 %!assert (regexprep ('World', '^', 'Hello '), 'World')
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1475 %!assert (regexprep ('World', '^', 'Hello ', 'emptymatch'), 'Hello World')
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	1476
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1477 ## Test a general replacement
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1478 %!assert (regexprep ("a[b]c{d}e-f=g", "[^A-Za-z0-9_]", "_"), "a_b_c_d_e_f_g")
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1479
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1480 ## Make sure it works at the beginning and end
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1481 %!assert (regexprep ("a[b]c{d}e-f=g", "a", "_"), "_[b]c{d}e-f=g")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1482 %!assert (regexprep ("a[b]c{d}e-f=g", "g", "_"), "a[b]c{d}e-f=_")
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1483
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1484 ## Options
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1485 %!assert (regexprep ("a[b]c{d}e-f=g", "[^A-Za-z0-9_]", "_", "once"), "a_b]c{d}e-f=g")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1486 %!assert (regexprep ("a[b]c{d}e-f=g", "[^A-Z0-9_]", "_", "ignorecase"), "a_b_c_d_e_f_g")
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1487
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1488 ## Option combinations
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1489 %!assert (regexprep ("a[b]c{d}e-f=g", "[^A-Z0-9_]", "_", "once", "ignorecase"), "a_b]c{d}e-f=g")
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1490
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1491 ## End conditions on replacement
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1492 %!assert (regexprep ("abc", "(b)", ".$1"), "a.bc");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1493 %!assert (regexprep ("abc", "(b)", "$1"), "abc");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1494 %!assert (regexprep ("abc", "(b)", "$1."), "ab.c");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1495 %!assert (regexprep ("abc", "(b)", "$1.."), "ab..c");
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1496
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1497 ## Test cell array arguments
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1498 %!assert (regexprep ("abc", {"b","a"}, "?"), "??c")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1499 %!assert (regexprep ({"abc","cba"}, "b", "?"), {"a?c","c?a"})
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1500 %!assert (regexprep ({"abc","cba"}, {"b","a"}, {"?","!"}), {"!?c","c?!"})
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1501
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	1502 # Nasty lookbehind expression
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14496 diff changeset	1503 %!assert (regexprep ('x^(-1)+y(-1)+z(-1)=0', '(?<=[a-z]+)$\-[1-9]*$', '_minus1'),'x^(-1)+y_minus1+z_minus1=0')
14543 e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	1504
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	1505 %!assert (regexprep ("\n", '\n', "X"), "X");
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911) John W. Eaton <jwe@octave.org> parents: 14536 diff changeset	1506 %!assert (regexprep ("\n", "\n", "X"), "X");
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1507 */

Mercurial > jwe > octave

annotate libinterp/corefcn/regexp.cc @ 20939:b17fda023ca6