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Re^3: Lookahead regex help

by Anonymous Monk
on Aug 17, 2004 at 02:25 UTC ( #383541=note: print w/replies, xml ) Need Help??


in reply to Re^2: Lookahead regex help
in thread Lookahead regex help

$$ perl -MYAPE::Regex::Explain -e'die YAPE::Regex::Explain->new(qr/((. +)\2*)/i)->explain' The regular expression: (?i-msx:((.)\2*)) matches as follows: NODE EXPLANATION ---------------------------------------------------------------------- (?i-msx: group, but do not capture (case-insensitive) (with ^ and $ matching normally) (with . not matching \n) (matching whitespace and # normally): ---------------------------------------------------------------------- ( group and capture to \1: ---------------------------------------------------------------------- ( group and capture to \2: ---------------------------------------------------------------------- . any character except \n ---------------------------------------------------------------------- ) end of \2 ---------------------------------------------------------------------- \2* what was matched by capture \2 (0 or more times (matching the most amount possible)) ---------------------------------------------------------------------- ) end of \1 ---------------------------------------------------------------------- ) end of grouping ----------------------------------------------------------------------

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