On Fri, Oct 25, 2002 at 09:05:16AM -0700, bioinfo Gu wrote:
> Hello, I want to input a string which is used to create file name on
> unix. and I want to allow input string to consist of letters(A-Z, or
> a-z) and numbers(0-9) and underscroe( _ ) within file name.
>
> Does anoybody know how to check the input string legal or not?
>
> $input = "some string here";
>
> if ($input =~ /what pattern here/) then { it is legal}
>
> else {not legal};
if ($input =~ /\W/)
{
not legal
}
else
{
legal
}
> Thank you very much.
Make sure you understand what's happening, because it's probably too
important to take my word for it.
--
Paul Johnson - [EMAIL PROTECTED]
http://www.pjcj.net
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