正则表达式（检测手机号、检测邮箱）

//检测手机号格式

-(BOOL)checkPhoneNumInput{

    

    NSString *phoneRegex = @"^((13[0-9])|(15[^4,\\D])|(18[0,0-9]))\\d{8}$";

    

    NSString * CM = @"^1(34[0-8]|(3[5-9]|5[017-9]|8[278])\\d)\\d{7}$";

    

    NSString * CU = @"^1(3[0-2]|5[256]|8[56])\\d{8}$";

    

    NSString * CT = @"^1((33|53|8[09])[0-9]|349)\\d{7}$";

    

    // NSString * PHS = @"^0(10|2[0-5789]|\\d{3})\\d{7,8}$";

    NSPredicate *regextestmobile = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", phoneRegex];

    NSPredicate *regextestcm = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM];

    NSPredicate *regextestcu = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU];

    NSPredicate *regextestct = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT];

    BOOL res1 = [regextestmobile evaluateWithObject:self];

    BOOL res2 = [regextestcm evaluateWithObject:self];

    BOOL res3 = [regextestcu evaluateWithObject:self];

    BOOL res4 = [regextestct evaluateWithObject:self];

    

    if (res1 || res2 || res3 || res4 )

    {

        return YES;

    }

    else

    {

        return NO;

    }

}

//检测邮箱格式是否正确

- (BOOL)isValidateEmail:(NSString *)Email

{

    NSString *emailCheck = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";

    NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES%@",emailCheck];

    return [emailTest evaluateWithObject:Email];

}