in reply to Re^3: A tidier regex ?
in thread A tidier regex ?

It allows me to put CDC_ABC as a valid option, which I wish to reject. When I was looking for CDC_ABC_ABC for example.

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Re^5: A tidier regex ?
by ikegami (Patriarch) on Sep 14, 2010 at 17:21 UTC
    I specified the purpose of each of my solutions, and it wasn't validation in either case.
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