正则表示

手机号

• 移动号段正则表达式

NSString *CM_NUM = @"^((13[4-9])|(147)|(15[0-2,7-9])|(178)|(18[2-4,7-8]))\\d{8}|(1705)\\d{7}$";

• 联通号段正则表达式

NSString *CU_NUM = @"^((13[0-2])|(145)|(15[5-6])|(176)|(18[5,6]))\\d{8}|(1709)\\d{7}$";

• 电信号段正则表达式

 NSString *CT_NUM = @"^((133)|(153)|(177)|(18[0,1,9]))\\d{8}$";

• 电话号码以 13 , 15 , 18 开头

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

判断是不是 Email

+ (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];
}

判断是不是money

+ (BOOL)validaeMoney:(NSString *)money {
    NSString *phoneRegex = @"^[0-9]+(\\.[0-9]{1,2})?$";
    NSPredicate *phoneTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",phoneRegex];
    return [phoneTest evaluateWithObject:money];
}

昵称 ，用户名 ，密码 判断

+ (BOOL)validateUsername:(NSString *)username {
    NSString *userNameRegex = @"^[A-Za-z0-9\u4e00-\u9fa5]{4,20}+$";
    NSPredicate *userNamePredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",userNameRegex];
    return [userNamePredicate evaluateWithObject:username];
}

+ (BOOL)validateNickname:(NSString *)nickname {
    NSString *nicknameRegex = @"^[A-Za-z0-9\u4e00-\u9fa5_-]{1,20}+$";
    NSPredicate *nicknamePredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", nicknameRegex];
    return [nicknamePredicate evaluateWithObject:nickname];
}

+ (BOOL)validatePassword:(NSString *)password {
    NSString *passwordRegex = @"^[a-zA-Z0-9-]{6,20}+$";
    NSPredicate *passwordPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",passwordRegex];
    return [passwordPredicate evaluateWithObject:password];
}