On Sunday 11 February 2001 13:09, zbynek wrote:
> I want to check if given username consists only of letters of English
> alphabet, numbers, or "_".
> Wouldn't it be simpler to use regular expressions? How would I do it?
if (preg_match ('/^\w+$/', $Username))
echo "'$Username' is ok<br>";
else
echo "'$Username' contains invalid chars"
--
Christian Reiniger
LGDC Webmaster (http://sunsite.dk/lgdc/)
"use the source, luke." (obi-wan gnuobi)
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