True for official regular expressions, but not for the ones used in most program... | Hacker News

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		JelteF on Aug 30, 2013 \| parent \| context \| favorite \| on: Explainshell – match command-line arguments to the... True for official regular expressions, but not for the ones used in most programming languages. http://nikic.github.io/2012/06/15/The-true-power-of-regular-...

mtdewcmu on Aug 30, 2013 [–]

True. Perl-style regexes have grown capabilities far beyond regexes in formal language theory. Note that I was referring to DFAs.

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