Thanks Jeff! Works like a charm!
Be well!
/Martin
* Jeff 'japhy' Pinyan ([EMAIL PROTECTED]) wrote:
> 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
> }
>
> --
> Jeff "japhy" Pinyan [EMAIL PROTECTED] http://www.pobox.com/~japhy/
> RPI Acacia brother #734 http://www.perlmonks.org/ http://www.cpan.org/
> ** Look for "Regular Expressions in Perl" published by Manning, in 2002 **
>
>
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