一些常用的正则表达式

来源：互联网发布：刀具设计软件编辑：程序博客网时间：2024/05/22 14:36

//6到15位数字或字母的字符串
NSString * regex        = @"(^[A-Za-z0-9]{6,15}$)"; 
NSPredicate * pred      = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex]; 
BOOL isMatch            = [pred evaluateWithObject:@"123456ABCde"];

//邮箱  
+ (BOOL) validateEmail:(NSString *)email 
{  
    NSString *emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}"; 
    NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex]; 
    return[emailTest evaluateWithObject:email];  
}  
   
   
//手机号码验证  
+ (BOOL) validateMobile:(NSString *)mobile 
{  
    //手机号以13， 15，18开头，八个 \d 数字字符 
    NSString *phoneRegex = @"^((13[0-9])|(15[^4,\\D])|(18[0,0-9]))\\d{8}$"; 
    NSPredicate *phoneTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",phoneRegex]; 
    return[phoneTest evaluateWithObject:mobile];  
}  
   
   
//车牌号验证  
+ (BOOL) validateCarNo:(NSString *)carNo 
{  
    NSString *carRegex = @"^[\u4e00-\u9fa5]{1}[a-zA-Z]{1}[a-zA-Z_0-9]{4}[a-zA-Z_0-9_\u4e00-\u9fa5]$"; 
    NSPredicate *carTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",carRegex]; 
    NSLog(@"carTest is %@",carTest); 
    return[carTest evaluateWithObject:carNo];  
}  
   
   
//车型  
+ (BOOL) validateCarType:(NSString *)CarType 
{  
    NSString *CarTypeRegex = @"^[\u4E00-\u9FFF]+$"; 
    NSPredicate *carTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",CarTypeRegex]; 
    return[carTest evaluateWithObject:CarType];  
}  
   
   
//用户名  
+ (BOOL) validateUserName:(NSString *)name 
{  
    NSString *userNameRegex = @"^[A-Za-z0-9]{6,20}+$"; 
    NSPredicate *userNamePredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",userNameRegex]; 
    BOOLB = [userNamePredicate evaluateWithObject:name];  
    returnB;  
}  
   
   
//密码  
+ (BOOL) validatePassword:(NSString *)passWord 
{  
    NSString *passWordRegex = @"^[a-zA-Z0-9]{6,20}+$"; 
    NSPredicate *passWordPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",passWordRegex]; 
    return[passWordPredicate evaluateWithObject:passWord];  
}  
   
   
//昵称  
+ (BOOL) validateNickname:(NSString *)nickname 
{  
    NSString *nicknameRegex = @"^[\u4e00-\u9fa5]{4,8}$"; 
    NSPredicate *passWordPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",nicknameRegex]; 
    return[passWordPredicate evaluateWithObject:nickname];  
}  
   
   
//身份证号  
+ (BOOL) validateIdentityCard: (NSString *)identityCard 
{  
    BOOLflag;  
    if(identityCard.length <= 0) {  
        flag = NO; 
        returnflag;  
    } 
    NSString *regex2 = @"^(\\d{14}|\\d{17})(\\d|[xX])$"; 
    NSPredicate *identityCardPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex2]; 
    return[identityCardPredicate evaluateWithObject:identityCard]; 
}

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