Re: Explain output produced by Regexp::Assemble

As far as I understand pattern

?:something

means something is a pattern to be tested for. -xism is just re engine parameters, described in perlre

Comment on Re: Explain output produced by Regexp::Assemble

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Re^2: Explain output produced by Regexp::Assemble by tlm (Prior) on Aug 03, 2005 at 11:44 UTC
As far as I understand pattern ?:something means something is a pattern to be tested for. Not quite. What you quoted is incomplete. It should be `(?:something)` [download] and it tells the regex engine that the parentheses should be used only for grouping, and not for capturing a submatch in one of `$1`, `$2`, etc. the lowliest monk	[reply] [d/l] [select]