---
name: "HTML::FormFu::Constraint::Regex"
section: "3pm"
platform: "linux"
package: "libhtml-formfu-perl"
version: "2.07000-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/HTML::FormFu::Constraint::Regex"
---

# HTML::FormFu::Constraint::Regex(3pm)

Regex Constraint

## NAME

HTML::FormFu::Constraint::Regex - Regex Constraint

## VERSION

version 2.07

## DESCRIPTION

Regular expression-based constraint.

## METHODS

### regex

Arguments: `$regex`. In a config file, enclose the regex in a string, like this: `"regex: '^[-_+=!\w\d]*\z'"`.

Arguments: `$string`

### common

Arguments: \\@parts

Used to build a Regexp::Common regex.

The following definition is equivalent to `"$RE{URI}{HTTP}{-scheme => 'https?'}"`

```
    type: Regex
    common:
      - URI
      - HTTP
      - { '-scheme': 'https?' }
```

\=-head2 anchored

Arguments: bool

If true, uses `"^"` and `"\z"` to anchor the "regex" or "common" to the start and end of the submitted value.

## SEE ALSO

Is a sub-class of, and inherits methods from HTML::FormFu::Constraint

HTML::FormFu

## AUTHOR

Carl Franks `"cfranks@cpan.org"`

Based on the original source code of HTML::Widget::Constraint::Regex, by Sebastian Riedel, `"sri@oook.de"`.

## LICENSE

This library is free software, you can redistribute it and/or modify it under the same terms as Perl itself.

## AUTHOR

Carl Franks \<cpan@fireartist.com\>

## COPYRIGHT AND LICENSE

This software is copyright (c) 2018 by Carl Franks.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.