They do in the form of regular expressions.
Here's the example for email addresses
Validating an E-Mail Address
Want to add an e-mail validation? You can do that, too. It's as easy as specifying that the validation will be using regular expressions (using VALIDATE="regular_expression") and then offering the _expression_ in a new PATTERN attribute. Here's an example that will validate e-mail addresses:

<CFFORM ACTION="">
Email: <CFINPUT TYPE="Text" NAME="email"
VALIDATE="regular_expression"
PATTERN=" ^([_a-z0-9-]+(\.[_a-z0-9-]+)[EMAIL PROTECTED](\.[a-z0-9-]+)*\.
(([a-z]{2,3})|(aero|coop|info|museum|name)))?$"
MESSAGE="Email is improperly formatted">
<INPUT TYPE="Submit">
</CFFORM>

That regular _expression_ in the PATTERN attribute may seem quite daunting. For now, just accept that regular expressions that do something useful may exist - and the cool thing is you can copy them from others to get the benefit.

This is from http://www.sys-con.com/coldfusion/articleprint.cfm?id=379

 

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]On Behalf Of Adaryl Wakefield
Sent: Wednesday, April 14, 2004 2:58 PM
To: [EMAIL PROTECTED]
Subject: [KCFusion] validate

Anybody else find this strange that this does not exist
 
<cfinput type="text" validate="email">
 
Adaryl "Did you reboot?" Wakefield
Aviator by passion
Programmer by sheer force of will

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