struggle-for-php/angry-regex

PHPStan Rule to detect Unfavorable Regex.

and add more checking than PHPStan's Regex check.

Based on Tokumaru's statement

• 正規表現によるバリデーションでは ^ と $ ではなく \A と \z を使おう
  • https://blog.tokumaru.org/2014/03/z.html

Example

$ ../vendor/bin/phpstan analyse --level=1 src/
Note: Using configuration file /tmp/angry-regex/demo/phpstan.neon.
 2/2 [▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓] 100%

 ------ -------------------------------------------------------------
  Line   Demo.php
 ------ -------------------------------------------------------------
  17     Regex pattern is invalid: Unfavorable `^` or `$` /^[0-9]+$/
 ------ -------------------------------------------------------------


 [ERROR] Found 1 error

Installation

composer require --dev struggle-for-php/angry-regex

Configuration

In your phpstan.neon configuration, add following section:

includes:
	- vendor/struggle-for-php/angry-regex/rules.neon

Also see.

　- Validator\Ip should not allow newlines in any case. - zendframework/zendframework#6104