iOS開發中手機號碼和價格金額有效性判斷及特殊字符的限制

///// 手機號碼的有效性判斷

//檢測是不是手機號碼

- (BOOL)isMobileNumber:(NSString *)mobileNum

{

   

    NSString * MOBILE = @"^1(3[0-9]|5[0-35-9]|8[025-9])\\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 %@", MOBILE];

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

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

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

    

    if (([regextestmobile evaluateWithObject:mobileNum] == YES)

        || ([regextestcm evaluateWithObject:mobileNum] == YES)

        || ([regextestct evaluateWithObject:mobileNum] == YES)

        || ([regextestcu evaluateWithObject:mobileNum] == YES))

    {

        return YES;

    }

    else

    {

        return NO;

    }

}

 

 

//////// 特殊字符的限制輸入，價格金額的有效性判斷

 

 

#define myDotNumbers     @"0123456789.\n"

#define myNumbers          @"0123456789\n"

-(void) createTextFiled {

    textfield1_ = [[UITextField alloc] initWithFrame:CGRectMake(0, 0, 20, 20)];

    textfield1_.delegate = self;

    [self addSubview:textfield1_];

    

    textfield2_ = [[UITextField alloc] initWithFrame:CGRectMake(0, 0, 20, 20)];

    textfield2_.delegate = self;

    [self addSubview:textfield2_];

    

    

    textfield3_ = [[UITextField alloc] initWithFrame:CGRectMake(0, 0, 20, 20)];

    textfield3_.delegate = self;

    [self addSubview:textfield3_];

    

}

 

-(void)showMyMessage:(NSString*)aInfo {

    

    UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"提示" message:aInfo delegate:self cancelButtonTitle:@"肯定" otherButtonTitles:nil, nil];

    [alertView show];

    [alertView release];

    

    

}

 

- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {

    NSCharacterSet *cs;

    if ([textField isEqual:textfield1_]) {

        cs = [[NSCharacterSet characterSetWithCharactersInString:myNumbers] invertedSet];

        NSString *filtered = [[string componentsSeparatedByCharactersInSet:cs] componentsJoinedByString:@""];

        BOOL basicTest = [string isEqualToString:filtered];

        if (!basicTest) {

            [self showMyMessage:@"只能輸入數字"];

            return NO;

        }

    }

    else if ([textField isEqual:textfield2_]) {

        cs = [[NSCharacterSet characterSetWithCharactersInString:myNumbers] invertedSet];

        NSString *filtered = [[string componentsSeparatedByCharactersInSet:cs] componentsJoinedByString:@""];

        BOOL basicTest = [string isEqualToString:filtered];

        if (!basicTest) {

            [self showMyMessage:@"只能輸入數字"];

            return NO;

        }

    }

    else if ([textField isEqual:textfield3_]) {

        NSUInteger nDotLoc = [textField.text rangeOfString:@"."].location;

        if (NSNotFound == nDotLoc && 0 != range.location) {

            cs = [[NSCharacterSet characterSetWithCharactersInString:myDotNumbers] invertedSet];

        }

        else {

            cs = [[NSCharacterSet characterSetWithCharactersInString:myNumbers] invertedSet];

        }

        NSString *filtered = [[string componentsSeparatedByCharactersInSet:cs] componentsJoinedByString:@""];

        BOOL basicTest = [string isEqualToString:filtered];

        if (!basicTest) {

            

            [self showMyMessage:@"只能輸入數字和小數點"];

            return NO;

        }

        if (NSNotFound != nDotLoc && range.location > nDotLoc + 3) {

            [self showMyMessage:@"小數點後最多三位"];

            return NO;

        }

    }

    return YES;

}