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Re: Regex is not working

by kcott (Chancellor)
on Oct 03, 2013 at 06:18 UTC ( #1056723=note: print w/replies, xml ) Need Help??

in reply to Regex is not working

G'day Rahul Gupta,

Your underlying problem is that the value of $value in $query =~ s/$value/$replace/i is being interpolated: $Id and $name evaluate to zero-length strings so $query =~ s/$value/$replace/i is equivalent to $query =~ s//$replace/i (i.e. no substitutions occur). That was a poor guess on my part; see moritz' explanation instead; the fixes, however, are identical. To fix, use

$query =~ s/\Q$value\E/$replace/i;

-- Ken

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