How do I detect the difference between a bad ereg pattern and no matches?
I've got a UI that allows the user to enter an ereg expression.
Clearly, the user may enter an invalid expression (for example, the
expression may not have matching [] brackets). ereg returns false if
there are no matches or if an error occurred.
I need to distinguish between no matches and an error, so I can present
a meaningful message to the user. Any suggestions on how to do this?
Thanks,
Jared
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