I remember reading that it still did the recompile even if the variable in the regex did not change. Of course I read that a LONG time ago. Apparently it has been fixed.(probably a long time ago) So would the /o faster by avoiding the extra string compare? I know this would probably be insignificant unless there where a bajillion iterations. But I was just curious.
Do you even know anything about regexes? (see sig)

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flounder

Do you even know anything about perl?
--Anonymous Coward to Tom Christiansen on slashdot