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For my sins - I have the following expressions that I need to compare a string against in javascript.
[F|K]([0-9]{4}) = F1234 or K1234
try ^(F|K)[0-9]{4}$
[CC]([0-9]{4}) = CC1234
try ^CC[0-9]{4}$
[F]([0-9]{4})[-]([0-9]{2}) = F1234-12
try ^F[0-9]{4}\-[0-9]{2}$
Are these valid in JS? Do I just now assign them to a variable and use them in the brackets of mystring.match() ?
The match() method for strings accepts either a RegExp object or a string that can be used in the RexExp new constructor to create a new RexExp object, e.g. mystring.match("^(F|K)[0-9]{4}$")
It returns an array containing the matches, you can check if the return value is null to determine whether a match is found
Mark
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