class RegexField(**kwargs) [source]
Default widget: TextInput
Empty value: '' (an empty string) Normalizes to: A Unicode object. Validates that the given value matches against a certain regular expression. Error message keys: required, invalid
Takes one required argument:
regex
A regular expression specified either as a string or a compiled regular expression object.
Also takes max_length, min_length, and strip, which work just as they do for CharField.
strip
New in Django 1.9.