廢話不多說了，下面給大家介紹使用正則表達式驗證用戶名、密碼、手機號碼、身份證的寫法，需要的的朋友參考下吧
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
//用戶名+ (BOOL) validateUserName:(NSString *)name{ NSString *userNameRegex = @"^[A-Za-z0-9]{3,20}+$"; NSPredicate *userNamePredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",userNameRegex]; BOOL B = [userNamePredicate evaluateWithObject:name]; return B;}//密碼+ (BOOL) validatePassword:(NSString *)passWord{ NSString *passWordRegex = @"^[a-zA-Z0-9]{6,20}+$"; NSPredicate *passWordPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",passWordRegex]; return [passWordPredicate evaluateWithObject:passWord];}//判斷手機號碼格式是否正確+ (BOOL)valiMobile:(NSString *)mobile{ mobile = [mobile stringByReplacingOccurrencesOfString:@" " withString:@""]; if (mobile.length != 11) { return NO; }else{ /** * 移動號段正則表達式 */ NSString *CM_NUM = @"^((13[4-9])|(147)|(15[0-2,7-9])|(178)|(18[2-4,7-8]))\\d{8}|(1705)\\d{7}$"; /** * 聯通號段正則表達式 */ NSString *CU_NUM = @"^((13[0-2])|(145)|(15[5-6])|(176)|(18[5,6]))\\d{8}|(1709)\\d{7}$"; /** * 電信號段正則表達式 */ NSString *CT_NUM = @"^((133)|(153)|(177)|(18[0,1,9]))\\d{8}$"; NSPredicate *pred1 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM_NUM]; BOOL isMatch1 = [pred1 evaluateWithObject:mobile]; NSPredicate *pred2 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU_NUM]; BOOL isMatch2 = [pred2 evaluateWithObject:mobile]; NSPredicate *pred3 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT_NUM]; BOOL isMatch3 = [pred3 evaluateWithObject:mobile]; if (isMatch1 || isMatch2 || isMatch3) { return YES; }else{ return NO; } }}/** * 驗證身份證號碼是否正確的方法 * * @param IDNumber 傳進身份證號碼字符串 * * @return 返回YES或NO表示該身份證號碼是否符合國家標準 */+ (BOOL)isCorrect:(NSString *)IDNumber{ NSMutableArray *IDArray = [NSMutableArray array]; // 遍歷身份證字符串,存入數組中 if (IDNumber.length == 18) { for (int i = 0; i < 18; i++) { NSRange range = NSMakeRange(i, 1); NSString *subString = [IDNumber substringWithRange:range]; [IDArray addObject:subString]; } }else{ for (int i = 0; i < 15; i++) { NSRange range = NSMakeRange(i, 1); NSString *subString = [IDNumber substringWithRange:range]; [IDArray addObject:subString]; } } // 系數數組 NSArray *coefficientArray = [NSArray arrayWithObjects:@"7", @"9", @"10", @"5", @"8", @"4", @"2", @"1", @"6", @"3", @"7", @"9", @"10", @"5", @"8", @"4", @"2", nil]; // 余數數組 NSArray *remainderArray = [NSArray arrayWithObjects:@"1", @"0", @"X", @"9", @"8", @"7", @"6", @"5", @"4", @"3", @"2", nil]; // 每一位身份證號碼和對應系數相乘之后相加所得的和 int sum = 0; if (IDNumber.length == 18) { for (int i = 0; i < 17; i++) { int coefficient = [coefficientArray[i] intValue]; int ID = [IDArray[i] intValue]; sum += coefficient * ID; } }else{ for (int i = 0; i < 14; i++) { int coefficient = [coefficientArray[i] intValue]; int ID = [IDArray[i] intValue]; sum += coefficient * ID; } } // 這個和除以11的余數對應的數 NSString *str = remainderArray[(sum % 11)]; // 身份證號碼最后一位 NSString *string; if (IDNumber.length == 18) { string = [IDNumber substringFromIndex:17]; }else{ string = [IDNumber substringFromIndex:14]; } // 如果這個數字和身份證最后一位相同,則符合國家標準,返回YES if ([str isEqualToString:string]) { return YES; } else { return NO; }} |
以上所述是小編給大家介紹的正則表達式驗證用戶名、密碼、手機號碼、身份證，希望對大家有所幫助，如果大家有任何疑問請給我留言，小編會及時回復大家的。在此也非常感謝大家對服務器之家網站的支持！
原文鏈接：http://blog.csdn.net/qq_33226881/article/details/73740205
