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Groups > comp.lang.ruby > #2483
| From | 7stud -- <bbxx789_05ss@yahoo.com> |
|---|---|
| Newsgroups | comp.lang.ruby |
| Subject | Re: Match a pattern multiple times, returning matches, captures and offset? |
| Date | 2011-04-07 14:04 -0500 |
| Organization | Service de news de lacave.net |
| Message-ID | <6d45afa0bb38b1d865423b633e201ee9@ruby-forum.com> (permalink) |
| References | <4D9B4FBD.9020602@fischer.name> <f56ffd49e8ba8202e431f9bb9d4620cd@ruby-forum.com> <e9517b4095df9291249c3c221e9a35bc@ruby-forum.com> |
Brian Candler wrote in post #991406: > 7stud -- wrote in post #991338: >> You can also get relative beginning offsets like this: >> >> str = "_foo_ _bar_" >> >> str.scan(/_(\w+)_/) do |curr_match| >> md = Regexp.last_match >> whole_match = md[0] >> captures = md.captures >> >> captures.each do |capture| >> p [whole_match, capture, whole_match.index(capture)] >> end >> >> end > > Using 'index' doesn't work if you have multiple captures which have the > same pattern, or one is a substring of the other. > > Use captures.begin and captures.end instead. > begin() and end() are the two elements of offset(), which we've already discussed above: The idea was to get the relative offsets within a match, not the absolute offsets within the string. -- Posted via http://www.ruby-forum.com/.
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Match a pattern multiple times, returning matches, captures and offset? Markus Fischer <markus@fischer.name> - 2011-04-05 12:22 -0500
Re: Match a pattern multiple times, returning matches, captures and offset? Brian Candler <b.candler@pobox.com> - 2011-04-05 13:07 -0500
Re: Match a pattern multiple times, returning matches, captures and offset? 7stud -- <bbxx789_05ss@yahoo.com> - 2011-04-05 20:37 -0500
Re: Match a pattern multiple times, returning matches, captures and offset? Robert Klemme <shortcutter@googlemail.com> - 2011-04-06 04:42 -0500
Re: Match a pattern multiple times, returning matches, captures and offset? 7stud -- <bbxx789_05ss@yahoo.com> - 2011-04-06 18:58 -0500
Re: Match a pattern multiple times, returning matches, captures and offset? Robert Klemme <shortcutter@googlemail.com> - 2011-04-07 02:13 -0500
Re: Match a pattern multiple times, returning matches, captures and offset? Brian Candler <b.candler@pobox.com> - 2011-04-07 03:39 -0500
Re: Match a pattern multiple times, returning matches, captures and offset? 7stud -- <bbxx789_05ss@yahoo.com> - 2011-04-07 14:04 -0500
Re: Match a pattern multiple times, returning matches, captures and offset? Brian Candler <b.candler@pobox.com> - 2011-04-08 02:19 -0500
Re: Match a pattern multiple times, returning matches, captures and offset? 7stud -- <bbxx789_05ss@yahoo.com> - 2011-04-08 14:53 -0500
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