Use 
    $topic =~ s/\b$_\b//g;

[download]
and it will not turn class into cl.

The \b's tell Perl you only want the pattern to match at a 'word boundary'.

Hope this helps.

--
Mark Dominus
Perl Paraphernalia

In reply to Re: Defenetly a complicated perl recipie with 2 arrays, 1 scaler and some special matching by Dominus
in thread Defenetly a complicated perl recipie with 2 arrays, 1 scaler and some special matching by Anonymous Monk

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