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1. [:alpha:] and [:alphanum:] are called "Special Range 'metacharacters'". Treat them as a constant. The rule is that they MUST be place inside another set of brackets to give the programmer more options. eg. [[:alpha:]a-d] will search for any alpha character from a through to d. 2. Correct...

hunt, Are you trying to make it so that whenever someone types in a website address and submits it, it automatically gets changed to a hyperlink? Like a forum?

Where are you storing this information in the WMV file exactly? The easiest way to do this is to have a table with the Title, description and link to the file in it and simply use that. But I'm a bit confused as to what you are trying to do here or where you think this data will come from.

There is a fantaistic formmail script at www.tectite.com that will do all of this and includes anti spam security.

1. Match for a single space - eg " " 2. Match for a Forward Slash(/) OR (|) Question Mark (\?) 3. Match for an alpha character followed by a alpha numeric character. Read up on the ereg function for more info http://nz.php.net/manual/en/function.ereg.php

A constant's value cannot be changed after it is set" This is the problem. You simply can't do it. The only way you can do what you want to do is to make a new variable, say $var_max_cups in c.php and replace all links to the MAX_CUPS constant in your other files with this new variable. If...