php常用正則表達式，驗證用戶名，密碼，Email，Url等

<?php
class Verify{

/**


驗證用戶名
@param string $value
@param int $length
@return boolean
*/
 public static function isNames($value, $minLen=2, $maxLen=20, $charset='ALL'){

 if(empty($value))
     return false;
 switch($charset){
     case 'EN': $match = '/^[_\w\d]{'.$minLen.','.$maxLen.'}$/iu';
         break;
     case 'CN':$match = '/^[_\x{4e00}-\x{9fa5}\d]{'.$minLen.','.$maxLen.'}$/iu';
         break;
     default:$match = '/^[_\w\d\x{4e00}-\x{9fa5}]{'.$minLen.','.$maxLen.'}$/iu';
 }
 return preg_match($match,$value);

}
/**

驗證密碼
@param string $value
@param int $length
@return boolean
/
public static function isPWD($value,$minLen=5,$maxLen=16){
 $match='/^[\~!@#$%^&()-_=+|{}[],.?\/:;\'\"\d\w]{'.$minLen.','.$maxLen.'}$/';
 $v = trim($value);
 if(empty($v))

 return false;

return preg_match($match,$v);
}
/**

驗證eamil
@param string $value
@param int $length
@return boolean
/
public static function isEmail($value,$match='/^[\w\d]+[\w\d-.]@[\w\d-.]+.[\w\d]{2,10}$/i'){
 $v = trim($value);
 if(empty($v))

 return false;

return preg_match($match,$v);
}
/**

驗證電話號碼
@param string $value
@return boolean
*/
public static function isTelephone($value,$match='/^0[0-9]{2,3}[-]?\d{7,8}$/'){
 $v = trim($value);
 if(empty($v))

 return false;

return preg_match($match,$v);
}
/**

驗證手機
@param string $value
@param string $match
@return boolean
*/
public static function isMobile($value,$match='/^[(86)|0]?(13\d{9})|(15\d{9})|(18\d{9})$/'){
 $v = trim($value);
 if(empty($v)) 
 return false;

 return preg_match($match,$v);
}
/**
驗證郵政編碼
@param string $value
@param string $match
@return boolean
*/
public static function isPostcode($value,$match='/\d{6}/'){
 $v = trim($value);
 if(empty($v)) 
 return false;

 return preg_match($match,$v);
}
/**
驗證IP
@param string $value
@param string $match
@return boolean
*/
public static function isIP($value,$match='/^(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]).(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0).(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0).(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])$/'){
 $v = trim($value);
 if(empty($v))

 return false;

return preg_match($match,$v);
}
/**

驗證身份證號碼
@param string $value
@param string $match
@return boolean
*/
public static function isIDcard($value,$match='/^\d{6}((1[89])|(2\d))\d{2}((0\d)|(1[0-2]))((3[01])|([0-2]\d))\d{3}(\d|X)$/i'){
 $v = trim($value);
 if(empty($v))

 return false;

else if(strlen($v)>18)

 return false;

return preg_match($match,$v);
}
/**

*
驗證URL
@param string $value
@param string $match
@return boolean
/
public static function isURL($value,$match='/^(http:\/\/)?(https:\/\/)?([\w\d-]+.)+[\w-]+(\/[\d\w-.\/?%&=])?$/'){
 $v = strtolower(trim($value));
 if(empty($v)) 
 return false;

 return preg_match($match,$v);

}
}
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