Currency and percentage in numeric evaluation

Sun, 10 Apr 2005 08:05:41 -0700

I need to evaluate a large number of short strings to determine whether they are numeric. Some of these are percentages, and include the "%", and others are currency and can contain "$". the Euro, Yen, or any number of other signs.

With dates we have a convenient test: try to convert it, and if it fails it will tell you why.

But we have no such convenience with percentages and currency. So what is the most efficient (heck, I'd settle for reasonable efficient) way to determine if a string is numeric given the wide range of currency formats in common use?

--
 Richard Gaskin
 Fourth World Media Corporation
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