The way to say that you don't want something is using a negative lookahead assertion which is (?!...). In your case it'll be 

    m[ng/(?!2\.0)]

[download]

Related documents:
• perlre - Perl regular expressions
• perlrequick - Perl regular expressions quick start
• perlretut - Perl regular expressions tutorial

Hope this helps,
ihb

See perltoc if you don't know which perldoc to read!
Read argumentation in its context!

In reply to Re: Pattern matching by ihb
in thread Pattern matching by bedanta

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