iOS-正则表达式

+ (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];

}

+ (BOOL) validateMobile:(NSString *)mobile

{

//手机号以13， 15，18开头，八个 \d 数字字符

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

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

return [phoneTest evaluateWithObject:mobile];

}

+ (BOOL) validateUserName:(NSString *)name

{
NSString *userNameRegex = @"^[A-Za-z0-9]{4,20}+$";

NSPredicate *userNamePredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",userNameRegex];

return B;
}

+ (BOOL) validatePassword:(NSString *)passWord

{

NSString *passWordRegex = @"^[a-zA-Z0-9]{6,20}+$";

NSPredicate *passWordPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",passWordRegex];

return [passWordPredicate evaluateWithObject:passWord];

}

+ (BOOL) validateIdentityCard: (NSString *)identityCard

{

BOOL flag;

if (identityCard.length <= 0) {

flag = NO;

return flag;

}

NSString *regex2 = @"^(\\d{14}|\\d{17})(\\d|[xX])$";

NSPredicate *identityCardPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex2];

return [identityCardPredicate evaluateWithObject:identityCard];

}

+ (BOOL) validateBankCardNumber: (NSString *)bankCardNumber

{

BOOL flag;

if (bankCardNumber.length <= 0) {

flag = NO;

return flag;

}

NSString *regex2 = @"^(\\d{15,30})";

NSPredicate *bankCardPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex2];

return [bankCardPredicate evaluateWithObject:bankCardNumber];

}

+ (BOOL) validateBankCardLastNumber: (NSString *)bankCardNumber

{

BOOL flag;

if (bankCardNumber.length != 4) {

flag = NO;

return flag;

}

NSString *regex2 = @"^(\\d{4})";

NSPredicate *bankCardPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex2];

return [bankCardPredicate evaluateWithObject:bankCardNumber];

}

+ (BOOL) validateMonth: (NSString *)month

{
BOOL flag;
if (!month.length == 2) {
flag = NO;
return flag;
}
NSString *regex2 = @"(^(0)([0-9])$)|(^(1)([0-2])$)";

NSPredicate *monthPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex2];

return [monthPredicate evaluateWithObject:month];

}

+ (BOOL) validateYear: (NSString *)year

{

BOOL flag;

if (!year.length == 2) {
flag = NO;
return flag;
}
NSString *regex2 = @"^([1-3])([0-9])$";

NSPredicate *yearPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex2];

return [yearPredicate evaluateWithObject:year];

}

+ (BOOL) validateCarNo:(NSString *)carNo

{

NSString *carRegex = @"^[\u4e00-\u9fa5]{1}[a-zA-Z]{1}[a-zA-Z_0-9]{4}[a-zA-Z_0-9_\u4e00-\u9fa5]$";

NSPredicate *carTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",carRegex];

NSLog(@"carTest is %@",carTest);

return [carTest evaluateWithObject:carNo];

}