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
#import "Utils.h"
@implementation Utils
#pragma 正则匹配手机号
+ (BOOL)checkTelNumber:(NSString *) telNumber
{
mobile = [mobile stringByReplacingOccurrencesOfString:@" " withString:@""];
if (mobile.length != 11)
{
return NO;
}else{
/**
* 移动号段正则表达式
*/
NSString *CM_NUM = @"^((13[4-9])|(147)|(15[0-2,7-9])|(178)|(18[2-4,7-8]))\\d{8}|(1705)\\d{7}$";
/**
* 联通号段正则表达式
*/
NSString *CU_NUM = @"^((13[0-2])|(145)|(15[5-6])|(176)|(18[5,6]))\\d{8}|(1709)\\d{7}$";
/**
* 电信号段正则表达式
*/
NSString *CT_NUM = @"^((133)|(153)|(177)|(18[0,1,9]))\\d{8}$";
NSPredicate *pred1 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM_NUM];
BOOL isMatch1 = [pred1 evaluateWithObject:mobile];
NSPredicate *pred2 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU_NUM];
BOOL isMatch2 = [pred2 evaluateWithObject:mobile];
NSPredicate *pred3 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT_NUM];
BOOL isMatch3 = [pred3 evaluateWithObject:mobile];
if (isMatch1 || isMatch2 || isMatch3) {
return YES;
}else{
return NO;
}
}
}
#pragma 正则匹配用户密码6-18位数字和字母组合
+ (BOOL)checkPassword:(NSString *) password
{
NSString *pattern = @"^(?![0-9]+$)(?![a-zA-Z]+$)[a-zA-Z0-9]{6,18}";
NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", pattern];
BOOL isMatch = [pred evaluateWithObject:password];
return isMatch;
}
#pragma 正则匹配用户姓名,20位的中文或英文
+ (BOOL)checkUserName : (NSString *) userName
{
NSString *pattern = @"^[a-zA-Z\u4E00-\u9FA5]{1,20}";
NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", pattern];
BOOL isMatch = [pred evaluateWithObject:userName];
return isMatch;
}
#pragma 正则匹配用户身份证号15或18位
+ (BOOL)checkUserIdCard: (NSString *) idCard
{
NSString *pattern = @"(^[0-9]{15}$)|([0-9]{17}([0-9]|X)$)";
NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", pattern];
BOOL isMatch = [pred evaluateWithObject:idCard];
return isMatch;
}
#pragma 正则匹员工号,12位的数字
+ (BOOL)checkEmployeeNumber : (NSString *) number
{
NSString *pattern = @"^[0-9]{12}";
NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", pattern];
BOOL isMatch = [pred evaluateWithObject:number];
return isMatch;
}
#pragma 正则匹配URL
+ (BOOL)checkURL : (NSString *) url
{
NSString *pattern = @"^[0-9A-Za-z]{1,50}";
NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", pattern];
BOOL isMatch = [pred evaluateWithObject:url];
return isMatch;
}
@end
判断用户密码是否规范
#pragma 正则匹配密码
+(BOOL)judgePassWordLegal:(NSString *)pass;
/**
* 判断用户输入的密码是否符合规范，符合规范的密码要求：
1. 长度6 ~ 10
2. 密码中必须同时包含数字和字母
^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{8,16}$
分开来注释一下：
^ 匹配一行的开头位置
(?![0-9]+$) 预测该位置后面不全是数字
(?![a-zA-Z]+$) 预测该位置后面不全是字母
[0-9A-Za-z] {6,10} 由6-10位数字或这字母组成
$ 匹配行结尾位置
注：(?!xxxx) 是正则表达式的负向零宽断言一种形式，标识预该位置后不是xxxx字符。
*/
+(BOOL)judgePassWordLegal:(NSString *)pass {
BOOL result = false;
if ([pass length] >= 6 && [pass length] <= 10){
// 判断长度大于8位后再接着判断是否同时包含数字和字符
NSString * regex = @"^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{6,10}$";
NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex];
result = [pred evaluateWithObject:pass];
}
return result;
}
