/**
* Finds the first position of the search in the string.
*
* @param string $needle The string to search for.
* @param integer $offset The character position to start searching from.
*
* @return integer The character position, or `false`.
*/
public function indexOf($needle, $offset = 0)
{
return static::$helper->indexOf($this->string, $needle, $offset);
}
