正则汇总个人汇总不断更新中-优快云博客

本文介绍了一种使用正则表达式和NSPredicate来验证手机号码和电子邮件地址的方法。针对不同类型的输入制定了特定的正则表达式，并通过Objective-C代码实现了验证逻辑。

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/*手机号码验证 MODIFIED BY HELENSONG*/
+ (BOOL) isValidateMobile:(NSString *)mobile
{
//手机号以13， 15，18开头，八个 \d 数字字符
NSString *phoneRegex = @"^((13[0-9])|(147)|(15[^4,\\D])|(18[0-9]))\\d{8}$";
NSPredicate *phoneTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",phoneRegex];
// //NSLog(@"phoneTest is %@",phoneTest);
return [phoneTest evaluateWithObject:mobile];
}

//匹配Email地址的正则表达式：^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((.[a-zA-Z0-9_-]{2,3}){1,2})$
//
+ (BOOL)isRightEmail:(NSString *)str
{
NSString *phoneRegex = @"^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((.[a-zA-Z0-9_-]{2,3}){1,2})$";
NSPredicate *phoneTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",phoneRegex];
// //NSLog(@"phoneTest is %@",phoneTest);
return [phoneTest evaluateWithObject:str];
}

//17位最后4位必须是数字
- (BOOL)isRightCarUniqueNumber:(NSString *)str
{
NSString *phoneRegex = @"^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((.[a-zA-Z0-9_-]{2,3}){1,2})$";
NSPredicate *phoneTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",phoneRegex];
// //NSLog(@"phoneTest is %@",phoneTest);
return [phoneTest evaluateWithObject:str];
}