iOS开发中手机号码和价格金额有效性判断及特殊字符的限制
///// 手机号码的有效性判断
//检测是否是手机号码
- (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;
}
}
//////// 特殊字符的限制输入，价格金额的有效性判断
#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:@"确定" 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:@"只能输入数字"];
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:@"只能输入数字"];
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:@"只能输入数字和小数点"];
return NO;
}
if (NSNotFound != nDotLoc && range.location > nDotLoc + 3) {
[self showMyMessage:@"小数点后最多三位"];
return NO;
}
}
return YES;
}
