Imported From: http://groups.google.com/group/in-portal-dev/browse_thread/thread/720cfe294c660f31#

I'd suggest to add a regular expression field in custom field editing record. When filled, then on forms (where this custom field value is entered) check would do:

entered value matches regular expression. If it doesn't match, then doesn't allow to save custom field value and display an error OR (with a selector)
just use provided regular expression to cut part of submitted data

This would mainly be used to let user enter URL or code lines, without compromising security.

Related Tasks

INP-722 - Getting issue details... STATUS

Browser not supported