前言
大家都知道开发一直离不开一些常用验证格式，比如：邮箱，手机号等等，在开发过程中一般都会新建一个工具类，专门管理这些验证方式，简便开发过程。一般都采用正则表达式的形式来做判断，本文列举一些项目中非常实用的一些正则表达式的判断语句，以后开发起来直接复制粘贴就可以，这样大大节省了开发时间，下面不多说，直接上代码。
一、验证移动手机号：
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+ (BOOL)isMobile:(NSString*)mobile{ NSString *regex = @"^1+[34578]+\d{9}"; NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex]; return [pred evaluateWithObject:mobile];} |
二、邮箱验证：
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+ (BOOL)isEmail:(NSString*)email{ NSString *regex = @"^[\\w-]+(\\.[\\w-]+)*@[\\w-]+(\\.[\\w-]+)+$"; NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex]; return [pred evaluateWithObject:email];} |
三、整形验证
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+ (BOOL)isPureInt:(NSString*)string{ NSScanner* scan = [NSScanner scannerWithString:string]; int val; return[scan scanInt:&val] && [scan isAtEnd];} |
四、浮点型验证
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- (BOOL)isPureFloat:(NSString*)string{ NSScanner* scan = [NSScanner scannerWithString:string]; float val; return[scan scanFloat:&val] && [scan isAtEnd];} |
五、中文验证
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+ (BOOL)isChinese:(NSString*)chinese{ NSString *regex = @"^[\u4e00-\u9fa5]"; NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex]; return [pred evaluateWithObject: chinese];} |
六、网址URL验证
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+ (BOOL)isURL:(NSString*)url{ NSString *regex = @"[a-zA-z]+://[^\s]*"; NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex]; return [pred evaluateWithObject: url];} |
七、身份证号验证(比较繁琐)
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+ (BOOL)verifyIDCardNumber:(NSString *)IDCardNumber { IDCardNumber = [IDCardNumber stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]]; if ([IDCardNumber length] != 18) { return NO; } NSString *mmdd = @”(((0[13578]|1[02])(0[1-9]|[12][0-9]|3[01]))|((0[469]|11)(0[1-9]|[12][0-9]|30))|(02(0[1-9]|[1][0-9]|2[0-8])))”; NSString *leapMmdd = @”0229”; NSString *year = @”(19|20)[0-9]{2}”; NSString *leapYear = @”(19|20)(0[48]|[2468][048]|[13579][26])”; NSString *yearMmdd = [NSString stringWithFormat:@”%@%@”, year, mmdd]; NSString *leapyearMmdd = [NSString stringWithFormat:@”%@%@”, leapYear, leapMmdd]; NSString *yyyyMmdd = [NSString stringWithFormat:@”((%@)|(%@)|(%@))”, yearMmdd, leapyearMmdd, @”20000229”]; NSString *area = @”(1[1-5]|2[1-3]|3[1-7]|4[1-6]|5[0-4]|6[1-5]|82|[7-9]1)[0-9]{4}”; NSString *regex = [NSString stringWithFormat:@”%@%@%@”, area, yyyyMmdd , @”[0-9]{3}[0-9Xx]”];NSPredicate *regexTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex];if (![regexTest evaluateWithObject:IDCardNumber]){ return NO;}int summary = ([IDCardNumber substringWithRange:NSMakeRange(0,1)].intValue + [IDCardNumber substringWithRange:NSMakeRange(10,1)].intValue) *7+ ([IDCardNumber substringWithRange:NSMakeRange(1,1)].intValue + [IDCardNumber substringWithRange:NSMakeRange(11,1)].intValue) *9+ ([IDCardNumber substringWithRange:NSMakeRange(2,1)].intValue + [IDCardNumber substringWithRange:NSMakeRange(12,1)].intValue) *10+ ([IDCardNumber substringWithRange:NSMakeRange(3,1)].intValue + [IDCardNumber substringWithRange:NSMakeRange(13,1)].intValue) *5+ ([IDCardNumber substringWithRange:NSMakeRange(4,1)].intValue + [IDCardNumber substringWithRange:NSMakeRange(14,1)].intValue) *8+ ([IDCardNumber substringWithRange:NSMakeRange(5,1)].intValue + [IDCardNumber substringWithRange:NSMakeRange(15,1)].intValue) *4+ ([IDCardNumber substringWithRange:NSMakeRange(6,1)].intValue + [IDCardNumber substringWithRange:NSMakeRange(16,1)].intValue) *2+ [IDCardNumber substringWithRange:NSMakeRange(7,1)].intValue *1 + [IDCardNumber substringWithRange:NSMakeRange(8,1)].intValue *6+ [IDCardNumber substringWithRange:NSMakeRange(9,1)].intValue *3;NSInteger remainder = summary % 11;NSString *checkBit = @"";NSString *checkString = @"10X98765432";checkBit = [checkString substringWithRange:NSMakeRange(remainder,1)];// 判断校验位return [checkBit isEqualToString:[[IDCardNumber substringWithRange:NSMakeRange(17,1)] uppercaseString]];} |
八、一般用户名的验证
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+ (BOOL) isUserName:(NSString *)name{ NSString *userNameRegex = @"^[A-Za-z0-9]{6,20}+$"; NSPredicate *userNamePredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",userNameRegex]； return [userNamePredicate evaluateWithObject:name];} |
总结
以上就是这篇文章的全部内容了，希望本文的内容对大家的学习或者工作能带来一定的帮助，如果有疑问大家可以留言交流。
