/**
银行卡格式
@param textField 格式
@param range 银行卡
*/
-(BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
NSString *text = [textField text];
NSCharacterSet *characterSet = [NSCharacterSet characterSetWithCharactersInString:@"0123456789\b"];
string = [string stringByReplacingOccurrencesOfString:@" " withString:@""];
if ([string rangeOfCharacterFromSet:[characterSet invertedSet]].location != NSNotFound) {
return NO;
}
text = [text stringByReplacingCharactersInRange:range withString:string];
text = [text stringByReplacingOccurrencesOfString:@" " withString:@""];
NSString *newString = @"";
while (text.length > 0) {
NSString *subString = [text substringToIndex:MIN(text.length, 4)];
newString = [newString stringByAppendingString:subString];
if (subString.length == 4) {
newString = [newString stringByAppendingString:@" "];
}
text = [text substringFromIndex:MIN(text.length, 4)];
}
newString = [newString stringByTrimmingCharactersInSet:[characterSet invertedSet]];
if (newString.length > 23) {
return NO;
}
[textField setText:newString];
return NO;
}
//身份证号
/**
正则表达式
@param IDCardNumber 身份证
@return 验证
*/
- (BOOL)IsIdentityCard:(NSString *)IDCardNumber
{
if (IDCardNumber.length <= 0) {
return NO;
}
NSString *regex2 = @"^(\\d{14}|\\d{17})(\\d|[xX])$";
NSPredicate *identityCardPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex2];
return [identityCardPredicate evaluateWithObject:IDCardNumber];
}
/**
正则表达式
@param mobile 手机号
@return 验证
*/
- (BOOL)validateMobile:(NSString *)mobile
{
// 130-139 150-153,155-159 180-189 145,147 170,171,173,176,177,178
NSString *phoneRegex = @"^((13[0-9])|(15[^4,\\D])|(18[0-9])|(14[57])|(17[013678]))\\d{8}$";
NSPredicate *phoneTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",phoneRegex];
return [phoneTest evaluateWithObject:mobile];
}
/**
正则表达式
@param cardNumber 银行卡
@return 验证
*/
-(BOOL)IsBankCard:(NSString *)cardNumber
{
if(cardNumber.length==0)
{
return NO;
}
NSString *digitsOnly = @"";
char c;
for (int i = 0; i < cardNumber.length; i++)
{
c = [cardNumber characterAtIndex:i];
if (isdigit(c))
{
digitsOnly =[digitsOnly stringByAppendingFormat:@"%c",c];
}
}
int sum = 0;
int digit = 0;
int addend = 0;
BOOL timesTwo = false;
for (NSInteger i = digitsOnly.length - 1; i >= 0; i--)
{
digit = [digitsOnly characterAtIndex:i] - '0';
if (timesTwo)
{
addend = digit * 2;
if (addend > 9) {
addend -= 9;
}
}
else {
addend = digit;
}
sum += addend;
timesTwo = !timesTwo;
}
int modulus = sum % 10;
return modulus == 0;
}
