legal identifier check

[Saaa]

>
> You have to write it yourself. Here's a good starting point:
> http://www.digitalmars.com/d/1.0/lex.html#identifier

Yes, that was my starting point and it seemed quite complex, thus my 
question :)
I think I'll stay with my simple check for now as it isn't really necessary 
to be as strict as D's identifiers.
Just thought that if there was an easy check I'd implement that.
Thanks anyways everybody.