Allows you to define a text field that is validated by a regular expresion.
To configure a RegExp CustomField:
Add a new RegExp CustomField.
Specify its name and its description.
Click the Configure link:
Click the Edit Default Value link:
In the Set Custom Field Defaults page, you have to define:
a default value that matches your regular expression
a regular expression pattern.
You are able to configure a regular expression pattern following the Java specifications.
Note that the pattern validation is also done on the client-side using JavaScript, its specifications does not cover the whole Java specification.
You are now ready to use the RegExp CustomField in your screens.