Regular Expressions common to iOS

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];

return [Emailtest Evaluatewithobject:email];

}

Mobile phone number Verification

+ (BOOL) Validatemobile: (NSString *) 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];

}

Car Grade 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];

}

Models

+ (BOOL) Validatecartype: (NSString *) Cartype {

NSString *cartyperegex = @ "^[\u4e00-\u9fff]+$";

Nspredicate *cartest = [Nspredicate predicatewithformat:@ "Self MATCHES%@", Cartyperegex];

return [Cartest Evaluatewithobject:cartype];

}

User name

+ (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];

}

Regular Expressions common to iOS