PHP implements the method of regular regular verification helper public class

/**
 *
 *
 * 常规验证helper公共类
 *
 *
 */
class CheckForm
{
  //手机号/电话/小灵通 验证
  public function Mobile_check($mobile,$type = array())
  {
    /**
    * 手机号码
    * 移动：134[0-8],135,136,137,138,139,150,151,157,158,159,182,187,188
    * 联通：130,131,132,152,155,156,185,186
    * 电信：133,1349,153,180,189
    */
    $res[1]= preg_match('/^1(3[0-9]|5[0-35-9]|8[0-9])\\d{8}$/', $mobile);
    /**
    * 中国移动：China Mobile
    11   * 134[0-8],135,136,137,138,139,150,151,157,158,159,182,187,188
    */
    $res[2]= preg_match('/^1(34[0-8]|(3[5-9]|5[017-9]|8[0-9])\\d)\\d{7}$/', $mobile);
    /**
    * 中国联通：China Unicom
    * 130,131,132,152,155,156,185,186
    */
    $res[3]= preg_match('/^1(3[0-2]|5[256]|8[56])\\d{8}$/', $mobile);
    /**
    * 中国电信：China Telecom
    * 133,1349,153,180,189
    */
    $res[4]= preg_match('/^1((33|53|8[09])[0-9]|349)\\d{7}$/', $mobile);
    /**
    * 大陆地区固话及小灵通
    * 区号：010,020,021,022,023,024,025,027,028,029
    * 号码：七位或八位
    */
    $res[5]= preg_match('/^0(10|2[0-5789]|\\d{3})-\\d{7,8}$/', $mobile);
    $type = empty($type) ? array(1,2,3,4,5) : $type;
    $ok = false;
    foreach ($type as $key=>$val)
    {
      if ($res[$val])
      {
        $ok = true;
      }
      continue;
    }
    if ( $mobile && $ok )
    {
      return true;
    } else{
      return false;
    }
  }
  //字符串长度区间合法验证
  public function Strlength_check($str, $min=NULL, $max=NULL)
  {
    preg_match_all("/./u", $str, $matches);
    $len = count($matches[0]);
    if(is_null($min) && !empty($max) && $len < $max){
      return false;
    }
    if(is_null($max) && !empty($min) && $len > $min){
      return false;
    }
    if ($len < $min || $len > $max) {
      return false;
    }
    return true;
  }
  //邮箱验证
  public static function isEmail($str)
  {
    if (!$str) {
      return false;
    }
    return preg_match(&#39;#[a-z0-9&\-_.]+@[\w\-_]+([\w\-.]+)?\.[\w\-]+#is&#39;, $str) ? true : false;
  }
  /**
  * 使用正则验证数据
  * @access public
  * @param string $rule 验证规则
  * @param string $value 要验证的数据
  * @return boolean
  */
  public function regex($rule,$value) {
    $validate = array(
    //字段必须，不能为空
    &#39;require&#39; => &#39;/\S+/&#39;,
    //邮箱验证
    &#39;email&#39;  => &#39;/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/&#39;,
    //url验证
    &#39;url&#39;  => &#39;/^http(s?):\/\/(?:[A-za-z0-9-]+\.)+[A-za-z]{2,4}(?:[\/\?#][\/=\?%\-&~`@[\]\&#39;:+!\.#\w]*)?$/&#39;,
    //货币验证
    &#39;currency&#39; => &#39;/^\d+(\.\d{0,2})?$/&#39;,
    //数字验证
    &#39;number&#39; => &#39;/^[-\+]?\d+(\.\d+)?$/&#39;,
    //zip验证
    &#39;zip&#39;  => &#39;/^\d{6}$/&#39;,
    //整数验证
    &#39;integer&#39; => &#39;/^[-\+]?\d+$/&#39;,
    //浮点数验证
    &#39;double&#39; => &#39;/^[-\+]?\d+(\.\d+)?$/&#39;,
    //英文验证
    &#39;english&#39; => &#39;/^[A-Za-z]+$/&#39;,
    &#39;gt0&#39; => &#39;/^(?!(0[0-9]{0,}$))[0-9]{1,}[.]{0,}[0-9]{0,}$/&#39;,
    //合法帐号
    &#39;account&#39; => &#39;/^[a-zA-Z][a-zA-Z0-9_]{1,19}$/&#39;
    );
    // 检查是否有内置的正则表达式
    if(isset($validate[strtolower($rule)]))
    $rule = $validate[strtolower($rule)];
    return preg_match($rule,$value)===1;
  }
  function CheckPwd($pwd,$min=NULL, $max=NULL)
  {
  if (strlen($pwd)>$max || strlen($pwd)<$min || preg_match("/^\d*$/",$pwd) || preg_match("/^[a-z]*$/i",$pwd))
  {
    return false;
  }
  return true;
  }
}