KeyFilter

Only allowed characters get into a field — typing is blocked, pasted text is cleaned.

Features4APIThemingAccessibility

Presets

Common presets. Try typing letters into the number fields.

More presets

latin (+ extra characters), positive (one decimal separator) and nospace.

Regexp

Any RegExp that one character must match.

Validate only

Nothing is blocked; the form gets a keyFilter error instead.

Errors: none