simple regular expression problem?
| From: | Bernd Duesmann | Date: | Fri, 24 Nov 2000 21:08:06 +0000 |
| Subject: | simple regular expression problem? | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-27040@lists.php.net to get a copy of this message | ||
hi there,
i need a regexpr that only let the following letters pass:
a-z lower case
A-Z upper case
0-9 and an underscore
if there is another character in the string there should be an error
message.
thanx for your help
bernd
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Bernd Duesmann
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