On Nov 3, Martin Karlsson said:
>Could anyone give me a push in the right direction, please?
>How do I write a regexp that matches double instances of letters (in a
>file i read into a variable), e.g. aa LL pp etc. ?
>
>Is there an easy way, or must I use
> (aa|bb|cc|... and so on ) ?
You want to use a backreference:
if ($string =~ /([a-zA-Z])\1/) {
# $1 is the character that was doubled
}
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Jeff "japhy" Pinyan [EMAIL PROTECTED] http://www.pobox.com/~japhy/
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** Look for "Regular Expressions in Perl" published by Manning, in 2002 **
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