Just for grins, this tests about 50% quicker than the substr version in your benchmark. 

sub is_sorted{
    my( $str, $p, $x ) = ( lc shift, 0 );
    chop$x lt $x and return 0 
        while $x = substr $str, $p++, 2;
    1;
};

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Examine what is said, not who speaks.
"Efficiency is intelligent laziness." -David Dunham
"Think for yourself!" - Abigail
Hooray!

In reply to Re: Re: Re: Regexp for alphbetical order match within the string by BrowserUk
in thread Regexp for alphabetical order match within the string by prostoalex

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