Regular Expressions

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Has anyone written anything to help compare a string to a regular expression?

[\-+]?[0-9]+
[\-+]?[0-9]+\.[0-9]+
#[0-9A-F]+
[a-zA-z]+[_0-9a-zA-Z]*
The above being expressions for eu's integers, atoms, hex numbers and
identifiers respectively (I think).

I have been trying but getting nowhere fast.

Help me please (Sob Sob). I hope to produce EULEX and EUYACC.

Although at this rate I may work it differently.
-----
Sincerely,
Mathew Hounsell
Mat.Hounsell at Mailexcite.Com




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