示例#1
0
 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_-+')));
 }
示例#2
0
 /**
  * Match Backspace.
  * 
  * @return Regex
  */
 public function backSpace()
 {
     $this->expressions[] = Charset::create()->backspace();
     return $this;
 }