From the start I can see that you've included _ in your character classes when I think you want it to precede the class... 
/^ep_svr_\d+_\w{3}_\w{3}_.+$/;

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Update: The code tags weren't in when i diagnosed the problem...but the code should still fit the bill ;^)

In reply to Re: Patterns by insensate
in thread Problem with regex by collywobble

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