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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