验证字符串中的非英语字符

Posted 2021-02-25

/**
   * A function used to validate non-english characters in a string using regex
   */
  function validate_non_english_characters($string) {
    $string = strtolower($string);
 
    if (!preg_match('/^[a-z0-9]{3,15}$/', $string)) {
      // do something          
    }
  }