public function testCharRange() { $this->assertEquals('[a-z]', Charset::create()->charRange('a', 'z')); $this->assertEquals('[a-z0-9_\\-\\+]', Regex::create()->chars(Charset::create()->chars('a..z0..9_-+'))); }
/** * Match Backspace. * * @return Regex */ public function backSpace() { $this->expressions[] = Charset::create()->backspace(); return $this; }