# <af:validateRegExp>

af:validateRegExp validateRegExp validate reg exp RegExp regexp

type: oracle.adf.rich.RegExp

Validate expression using java regular expression syntax.

This validator also runs on the client (implements org.apache.myfaces.trinidad.validator.ClientValidator).

This is an example of a custom error message:

## Attributes

Name | Type | Supports EL? | Description
disabled | boolean | Yes | Default Value: false Whether the validator should be disabled, default to false.
hint | String | Yes | Hint message to be used, when giving a hint on expected pattern. There is no default hint for this property. Parameters: {0} the pattern
messageDetailNoMatch | String | Yes | Custom error message to be used, for creating detail part of faces message, when users input does not match the specified pattern. Parameters: {0} the label that identifies the component {1} value entered by the user {2} represents the 'pattern' expected in the input Please note: Parameter {1} which specifies the value entered by the user, should never be used in the message if the value is secure, like when secret=true on inputText.
pattern | String | Yes | pattern to be matched in the input value.