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 ** > > > -- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED]
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