正则判断

 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  

 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