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bug#23676: Seems egrep violates simple rules of regexps
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From: |
Марк Коренберг |
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Subject: |
bug#23676: Seems egrep violates simple rules of regexps |
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Date: |
Thu, 2 Jun 2016 00:33:54 +0500 |
Example:
$ echo qwerty | egrep -o 'we|wert'
wert
$ echo qwerty | egrep -o 'wert|we'
wert
The same in Javascript:
/we|wert/.exec('qwerty')
["we"]
/wert|we/.exec('qwerty')
["wert"]
http://stackoverflow.com/questions/2394931/regex-is-behaving-lazy-should-be-greedy
$ egrep --version
grep (GNU grep) 2.25
--
Segmentation fault
- bug#23676: Seems egrep violates simple rules of regexps,
Марк Коренберг <=