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Re^2: Using regex to match double letters, and only double letters

by choroba (Bishop)
on Apr 16, 2018 at 15:39 UTC ( #1212999=note: print w/replies, xml ) Need Help??


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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Re^3: Using regex to match double letters, and only double letters
by Locutus (Beadle) on Apr 16, 2018 at 15:46 UTC

    Your regex (as a whole) matches the "something else before" character as well - printing the content of a certain capture group is cheating! ;-)

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