Nice! Two comments though:

• Since $pat doesn't ever change, you can use the /o modifier to prevent the recompilation of the regex at each loop: $name =~ /$pat/o
• Since you use pipes as pattern delimiter, the slash looses its special meaning and no longer needs be escaped: s|//|/|g;. That's easier to read, IMHO (btw, what's the use of this?)

--bwana147

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