If I read you right, you want to test that the string starts with either a "/" or "http://localhost.net" (with variations). On that assumption, an alternation (plus some variation) should do it (/x whitespace added for clarity): 

m,^(?: /
     | http:// [^/]* \b localhost\.net
    ),x

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print "Just another Perl ${\(trickster and hacker)},"
The Sidhekin proves Sidhe did it!

In reply to Re: Conditional Regex by Sidhekin
in thread Conditional Regex by zer

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