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Re: perl regex referencing

by Prof Vince (Friar)
on Sep 18, 2007 at 08:22 UTC ( #639579=note: print w/ replies, xml ) Need Help??

in reply to perl regex referencing

It's not a problem to use \1 and friends in the LHS of the substitution because it doesn't behave like a quoted string : the <backslash-digit> token has a well defined meaning there. Moreover, $1 can already be a capture in a previous successful regexp, so it shouldn't be reset before the end of the matching part of the substitution.

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