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look-behind regex

by zejames (Hermit)
on Jul 24, 2002 at 05:27 UTC ( [id://184706]=perlquestion: print w/replies, xml ) Need Help??

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  1. or download this
    while (<DATA>) {
  s/foo/bar/ if ($_ !~ /toto.*?foo/);
...
__DATA__
toto 4dsf4qsd foo
mama 432fz foo
  2. or download this
    toto 4dsf4qsd foo
mamaf 432fz bar

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