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Re: Yet Another Rosetta Code Problem (Perl, Ruby, Python, Haskell, ...)

by Kjetil_Skotheim (Initiate)
on Oct 03, 2008 at 20:34 UTC ( #715274=note: print w/ replies, xml ) Need Help??


in reply to Yet Another Rosetta Code Problem (Perl, Ruby, Python, Haskell, ...)

Shorter Perl 5 variants: Destroys $s: $s="ZBBBCZZ"; $s=~s/((.)\2*)/push@x,$1/eg; Nondestructive: $s="ZBBBCZZ"; $s=~s/((.)\2*)/push@x,$1;$1/eg; Needs a counter $i: $s="ZBBBCZZ"; @x=grep++$i%2,$s=~/((.)\2*)/g;


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