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Re: Re: Trying to count the captures in a compiled regular expression

by BooK (Curate)
on May 03, 2004 at 06:48 UTC ( #349937=note: print w/replies, xml ) Need Help??

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  1. or download this
    $regex = qr/foo/; # should return 0
    
  2. or download this
    sub captures {
        my $re = shift;
        return scalar ( @_ = '' =~ /(?:($re))?/ ) - 1;
    }
    
  3. or download this
     
    $regex = qr/(?x)  # (comment)
                (?-x) # (capture) (?x) # (comment)/;