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
