What is likely confusing is that both of these statements yield the same result: 
$text2 =~ s/$match/$replace/;
$text2 =~ s/$match/$replace/e;

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The evaluation done in the second substitution replaces the variable interpolation that is taking place in the first substitution.

In reply to Re: Regular expression "replace string interpolation" problem by pc88mxer
in thread Regular expression "replace string interpolation" problem by cLive ;-)

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