HTML5Pattern, A Collection of Input Patterns For The HTML5

HTML5Pattern is a source of regularly used Inputs-Patterns attributes.

The pattern attribute specifies a regular expression against which the control’s value, or, when the multiple attribute applies and is set, the control’s values, are to be checked. If specified, the attribute’s value must match the JavaScript Pattern production.

Pattern attributes are supported by Firefox 4b7+, Chrome 6+, Opera 9+ and Safari 5.0.3+.