URL RegExp HELP!!! ME! THX :)

ReMi

I'm trying to validate a url using this Regexp...However, it does not check!

Check this code out:

if(!eregi("^{[[url]http://[/url]]{1}[a-z0-9-]+([a-z0-9-]+)*(.([a-z]){2,4})+([]|[/])?$",$homepage)){}

echo "invalid URL!!!!!!\n";

}

I cannot figure the problem with this...

Here's the "pseudo code" for what I'm trying to do here...::

one instance of "http://" followed by one or more characters followed by zero or more sets of one or more characters. Followed by one or more sets of a dot(.) indicating the domain-which is then followed by 2-4 characters for the domain. Lastly followed by a possible "\" or "/".

Any idea what the problem is? Thx.

ReMi

BTW: I typed in http://bob.com in for the url in a input field on a form, and it still telling me invalid url.

tsinka

Hi,

I think

[a-z0-9-]+([a-z0-9-]+)* is the same as

[_a-z0-9-]+

Try this:

<?php
$homepage = "http://bob.com/";
if(!preg_match("/^http:\\/\\/[a-z0-9-]+\\.[a-z]{2,4}[\\\\|\\/]$/i",$homepage)){

echo "invalid URL!!!!!!\n";

}
?>

I think a domain like -host.mydomain.com isn't valid so the following would be better:

<?php
$homepage = "http://bob.com/";
if(!preg_match("/^http:\\/\\/[a-z0-9]+[a-z0-9-]+\\.[a-z]{2,4}[\\\\|\\/]$/i",$homepage)){

echo "invalid URL!!!!!!\n";

}
?>

_ isn't valid at all.

Thomas