iOS正则表达式验证 手机号，用户名

//用户名
+ (BOOL) validateUserName:(NSString *)name
{
    NSString *userNameRegex
= @"^[A-Za-z0-9]{6,20}+$";
    NSPredicate
*userNamePredicate = [NSPredicate predicateWithFormat:@"SELF
MATCHES %@",userNameRegex];
    BOOL B =
[userNamePredicate evaluateWithObject:name];
    return B;
}

//密码
+ (BOOL) validatePassword:(NSString *)passWord
{
    NSString *passWordRegex
= @"^[a-zA-Z0-9]{6,20}+$";
    NSPredicate
*passWordPredicate = [NSPredicate predicateWithFormat:@"SELF
MATCHES %@",passWordRegex];
    return
[passWordPredicate evaluateWithObject:passWord];
}
//手机号码验证
+ (BOOL) validateMobile:(NSString *)mobile
{
    //手机号以13， 15，18开头，八个 \d
数字字符
    NSString *phoneRegex =
@"^((13[0-9])|(15[^4,\\D])|(18[0,0-9]))\\d{8}$";
    NSPredicate *phoneTest =
[NSPredicate predicateWithFormat:@"SELF MATCHES
%@",phoneRegex];
    return [phoneTest
evaluateWithObject:mobile];
}
 

//邮箱
+ (BOOL) validateEmail:(NSString *)email
{
    NSString *emailRegex =
@"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
    NSPredicate *emailTest =
[NSPredicate predicateWithFormat:@"SELF MATCHES %@",
emailRegex];
    return [emailTest
evaluateWithObject:email];
}
 
 

 
//车牌号验证
+ (BOOL) validateCarNo:(NSString *)carNo
{
    NSString *carRegex =
@"^[\u4e00-\u9fa5]{1}[a-zA-Z]{1}[a-zA-Z_0-9]{4}[a-zA-Z_0-9_\u4e00-\u9fa5]$";
    NSPredicate *carTest =
[NSPredicate predicateWithFormat:@"SELF MATCHES
%@",carRegex];
    NSLog(@"carTest is
%@",carTest);
    return [carTest
evaluateWithObject:carNo];
}
 
 
//车型
+ (BOOL) validateCarType:(NSString *)CarType
{
    NSString *CarTypeRegex =
@"^[\u4E00-\u9FFF]+$";
    NSPredicate *carTest =
[NSPredicate predicateWithFormat:@"SELF MATCHES
%@",CarTypeRegex];
    return [carTest
evaluateWithObject:CarType];
}
 
 
//用户名
+ (BOOL) validateUserName:(NSString *)name
{
    NSString *userNameRegex
= @"^[A-Za-z0-9]{6,20}+$";
    NSPredicate
*userNamePredicate = [NSPredicate predicateWithFormat:@"SELF
MATCHES %@",userNameRegex];
    BOOL B =
[userNamePredicate evaluateWithObject:name];
    return B;
}
 
 

 
 
//昵称
+ (BOOL) validateNickname:(NSString *)nickname
{
    NSString *nicknameRegex
= @"^[\u4e00-\u9fa5]{4,8}$";
    NSPredicate
*passWordPredicate = [NSPredicate predicateWithFormat:@"SELF
MATCHES %@",nicknameRegex];
    return
[passWordPredicate evaluateWithObject:nickname];
}
 
 
//身份证号
+ (BOOL) validateIdentityCard: (NSString *)identityCard
{
    BOOL flag;
    if (identityCard.length
<= 0) {
     
  flag = NO;
     
  return flag;
    }
    NSString *regex2 =
@"^(\\d{14}|\\d{17})(\\d|[xX])$";
    NSPredicate
*identityCardPredicate = [NSPredicate predicateWithFormat:@"SELF
MATCHES %@",regex2];
    return
[identityCardPredicate evaluateWithObject:identityCard];
}