A series of regular expressions, such as mailbox phone number

Mailbox

+ (BOOL) Validateemail: (NSString *) email{    NSString *emailregex = @ "[a-z0-9a-z._%+-][email protected] [A-za-z0-9.-]+\\. [A-za-z] {2,4} ";    nspredicate *emailtest = [Nspredicate predicatewithformat:@" Self MATCHES%@ ", emailregex];  & nbsp return [Emailtest Evaluatewithobject:email];}   //Mobile phone number verification + (BOOL) Validatemobile: (NSString *) mobile{   //Mobile phone number starts with 13, 15, 18, eight \d numeric characters     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];} &NBSP;&NBSP;//License plate number verification + (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];}   //model + (BOOL) Validatecartype: (NSString *) cartype{    NSString *cartyperegex = @ "^[\U4E00-\U9FFF] +$ ";    nspredicate *cartest = [Nspredicate predicatewithformat:@" self MATCHES%@ ",cartyperegex];    return [Cartest Evaluatewithobject:cartype];}   //username + (BOOL) Validateusername: (NSString *) name{    NSString *usernameregex = @ "^[a-za-z0-9]{ 6,20}+$ ";    nspredicate *usernamepredicate = [Nspredicate predicatewithformat:@" Self MATCHES%@ ", usernameregex];    BOOL b = [usernamepredicate evaluatewithobject:name];    return B;}   //password + (BOOL) ValidatePassword: (NSString *) password{    NSString *passwordregex = @ "^[a-zA-Z0-9]{ 6,20}+$ ";    nspredicate *passwordpredicate = [Nspredicate predicatewithformat:@" Self MATCHES%@ ", passwordregex];    return [passwordpredicate Evaluatewithobject:password];}   //nickname + (BOOL) ValidatenickName: (NSString *) nickname{    NSString *nicknameregex = @ "^[\u4e00-\u9fa5]{4,8}$";    nspredicate * Passwordpredicate = [Nspredicate predicatewithformat:@ "self MATCHES%@",nicknameregex];    return [ Passwordpredicate Evaluatewithobject:nickname];}   //ID number + (BOOL) Validateidentitycard: (NSString *) identitycard{    BOOL flag;    if ( Identitycard.length <= 0) {        flag = no;        return flag;    }    NSString *regex2 = @ "^ (\\d{14}|\\d{17}) (\\d|[ XX]) $ ";    nspredicate *identitycardpredicate = [Nspredicate predicatewithformat:@" Self MATCHES%@ ", Regex2];     return [identitycardpredicate Evaluatewithobject:identitycard];}

About determining a series of regular expressions such as mailbox phone number