in reply to Re: Using regex to match double letters, and only double letters
in thread Using regex to match double letters, and only double letters
#!/usr/bin/perl use warnings; use strict; use feature qw{ say }; for my $s (qw( xxabyycdzz axxbmmmcyyd xxyy exxyy xxyyf xxgyy mmm mmmen +nn )) { say for '---', $s; say $2 while $s =~ /(?|^((.))\2(?!\2) |(?<=(.)(?!\1))(.)\2(?!\2))/gx; }
($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord }map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,
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