正则判断

.h文件

 1 #import <Foundation/Foundation.h>
 2
 3 @interface Utils : NSObject
 4 #pragma 正则匹配手机号
 5 + (BOOL)checkTelNumber:(NSString *) telNumber;
 6 #pragma 正则匹配用户密码6-18位数字和字母组合
 7 + (BOOL)checkPassword:(NSString *) password;
 8 #pragma 正则匹配用户姓名,20位的中文或英文
 9 + (BOOL)checkUserName : (NSString *) userName;
10 #pragma 正则匹配用户身份证号
11 + (BOOL)checkUserIdCard: (NSString *) idCard;
12 #pragma 正则匹员工号,12位的数字
13 + (BOOL)checkEmployeeNumber : (NSString *) number;
14 #pragma 正则匹配URL
15 + (BOOL)checkURL : (NSString *) url;
16 @end  

.m文件

 1 #import "Utils.h"
 2
 3 @implementation Utils
 4 #pragma 正则匹配手机号
 5 + (BOOL)checkTelNumber:(NSString *) telNumber
 6 {
 7     NSString *pattern = @"^1+[3578]+\\d{9}";
 8     NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", pattern];
 9     BOOL isMatch = [pred evaluateWithObject:telNumber];
10     return isMatch;
11 }
12
13
14 #pragma 正则匹配用户密码6-18位数字和字母组合
15 + (BOOL)checkPassword:(NSString *) password
16 {
17     NSString *pattern = @"^(?![0-9]+$)(?![a-zA-Z]+$)[a-zA-Z0-9]{6,18}";
18     NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", pattern];
19     BOOL isMatch = [pred evaluateWithObject:password];
20     return isMatch;
21
22 }
23
24 #pragma 正则匹配用户姓名,20位的中文或英文
25 + (BOOL)checkUserName : (NSString *) userName
26 {
27     NSString *pattern = @"^[a-zA-Z\u4E00-\u9FA5]{1,20}";
28     NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", pattern];
29     BOOL isMatch = [pred evaluateWithObject:userName];
30     return isMatch;
31
32 }
33
34
35 #pragma 正则匹配用户身份证号15或18位
36 + (BOOL)checkUserIdCard: (NSString *) idCard
37 {
38     NSString *pattern = @"(^[0-9]{15}$)|([0-9]{17}([0-9]|X)$)";
39     NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", pattern];
40     BOOL isMatch = [pred evaluateWithObject:idCard];
41     return isMatch;
42 }
43
44 #pragma 正则匹员工号,12位的数字
45 + (BOOL)checkEmployeeNumber : (NSString *) number
46 {
47     NSString *pattern = @"^[0-9]{12}";
48
49     NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", pattern];
50     BOOL isMatch = [pred evaluateWithObject:number];
51     return isMatch;
52
53 }
54
55 #pragma 正则匹配URL
56 + (BOOL)checkURL : (NSString *) url
57 {
58     NSString *pattern = @"^[0-9A-Za-z]{1,50}";
59     NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", pattern];
60     BOOL isMatch = [pred evaluateWithObject:url];
61     return isMatch;
62
63 }
64
65 @end