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Re^3: finding number of contiguous letters

by Skeeve (Parson)
on May 23, 2007 at 12:31 UTC ( #616990=note: print w/replies, xml ) Need Help??

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  1. or download this
    use warnings;
    use strict;
    ...
    sub do_regex {
        return $str =~ /(?=(...))/g;
    }
    
  2. or download this
    Jus ust st  t A  An Ano not oth the her er  r P  Pe Per erl rl  l H  H
    +a Hac ack cke ker 
    Jus ust st  t A  An Ano not oth the her er  r P  Pe Per erl rl  l H  H
    +a Hac ack cke ker 
    ...
    substr   25123/s     --   -48%   -97%
    mapstr   48651/s    94%     --   -95%
    regex  1003705/s  3895%  1963%     --
    

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