thanks. works perfectly.
On Thu, 11 Dec 2003, Ronald J Kimball wrote:
> On Thu, Dec 11, 2003 at 12:48:54PM -0500, Socheavy D. Heng wrote:
> > I was having some problems with the regular expression in the code down
> > below. Can anybody tell me why the replacement doesn't work. I've used
> > various modifiers, but nothing really helped.
>
> Because you're trying to match a string which contains meta-characters
> against itself. Slashes, in this case.
>
> "(" =~ /\(/; # succeeds
> "\(" =~ /\(/; # fails
>
> You want to escape the metacharacters only in the regex string, not the
> target string.
>
> One way to do that is:
>
> $hash{string} =~ /\Q$hash{$string}/
>
>
> Ronald
>
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