Dans l'appli iOS, comment ajouter la validation de courrier électronique sur UITextField?
Utilisez NSPredicate et Regex:
- (BOOL)validateEmailWithString:(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];
}
Pour un tas d'e-mails séparés par une virgule:
- (NSMutableArray*)validateEmailWithString:(NSString*)emails
{
NSMutableArray *validEmails = [[NSMutableArray alloc] init];
NSArray *emailArray = [emails componentsSeparatedByString:@","];
for (NSString *email in emailArray)
{
NSString *emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
if ([emailTest evaluateWithObject:email])
[validEmails addObject:email];
}
return [validEmails autorelease];
}
Réponse modifiée: (cela valide également les points supplémentaires)
- (BOOL)validateEmailWithString:(NSString*)checkString
{
BOOL stricterFilter = NO; // Discussion http://blog.logichigh.com/2010/09/02/validating-an-e-mail-address/
NSString *stricterFilterString = @"[A-Z0-9a-z\\._%+-]+@([A-Za-z0-9-]+\\.)+[A-Za-z]{2,4}";
NSString *laxString = @".+@([A-Za-z0-9-]+\\.)+[A-Za-z]{2}[A-Za-z]*";
NSString *emailRegex = stricterFilter ? stricterFilterString : laxString;
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
return [emailTest evaluateWithObject:checkString];
}
Essayez ceci
Ceci vérifie avec les noms de domaine de premier niveau avec la validation.
- (BOOL)validateEmail:(NSString *)inputText {
NSString *emailRegex = @"[A-Z0-9a-z][A-Z0-9a-z._%+-]*@[A-Za-z0-9][A-Za-z0-9.-]*\\.[A-Za-z]{2,6}";
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
NSRange aRange;
if([emailTest evaluateWithObject:inputText]) {
aRange = [inputText rangeOfString:@"." options:NSBackwardsSearch range:NSMakeRange(0, [inputText length])];
int indexOfDot = aRange.location;
//NSLog(@"aRange.location:%d - %d",aRange.location, indexOfDot);
if(aRange.location != NSNotFound) {
NSString *topLevelDomain = [inputText substringFromIndex:indexOfDot];
topLevelDomain = [topLevelDomain lowercaseString];
//NSLog(@"topleveldomains:%@",topLevelDomain);
NSSet *TLD;
TLD = [NSSet setWithObjects:@".aero", @".asia", @".biz", @".cat", @".com", @".coop", @".edu", @".gov", @".info", @".int", @".jobs", @".mil", @".mobi", @".museum", @".name", @".net", @".org", @".pro", @".tel", @".travel", @".ac", @".ad", @".ae", @".af", @".ag", @".ai", @".al", @".am", @".an", @".ao", @".aq", @".ar", @".as", @".at", @".au", @".aw", @".ax", @".az", @".ba", @".bb", @".bd", @".be", @".bf", @".bg", @".bh", @".bi", @".bj", @".bm", @".bn", @".bo", @".br", @".bs", @".bt", @".bv", @".bw", @".by", @".bz", @".ca", @".cc", @".cd", @".cf", @".cg", @".ch", @".ci", @".ck", @".cl", @".cm", @".cn", @".co", @".cr", @".cu", @".cv", @".cx", @".cy", @".cz", @".de", @".dj", @".dk", @".dm", @".do", @".dz", @".ec", @".ee", @".eg", @".er", @".es", @".et", @".eu", @".fi", @".fj", @".fk", @".fm", @".fo", @".fr", @".ga", @".gb", @".Gd", @".ge", @".gf", @".gg", @".gh", @".gi", @".gl", @".gm", @".gn", @".gp", @".gq", @".gr", @".gs", @".gt", @".gu", @".gw", @".gy", @".hk", @".hm", @".hn", @".hr", @".ht", @".hu", @".id", @".ie", @" No", @".il", @".im", @".in", @".io", @".iq", @".ir", @".is", @".it", @".je", @".jm", @".jo", @".jp", @".ke", @".kg", @".kh", @".ki", @".km", @".kn", @".kp", @".kr", @".kw", @".ky", @".kz", @".la", @".lb", @".lc", @".li", @".lk", @".lr", @".ls", @".lt", @".lu", @".lv", @".ly", @".ma", @".mc", @".md", @".me", @".mg", @".mh", @".mk", @".ml", @".mm", @".mn", @".mo", @".mp", @".mq", @".mr", @".ms", @".mt", @".mu", @".mv", @".mw", @".mx", @".my", @".mz", @".na", @".nc", @".ne", @".nf", @".ng", @".ni", @".nl", @".no", @".np", @".nr", @".nu", @".nz", @".om", @".pa", @".pe", @".pf", @".pg", @".ph", @".pk", @".pl", @".pm", @".pn", @".pr", @".ps", @".pt", @".pw", @".py", @".qa", @".re", @".ro", @".rs", @".ru", @".rw", @".sa", @".sb", @".sc", @".sd", @".se", @".sg", @".sh", @".si", @".sj", @".sk", @".sl", @".sm", @".sn", @".so", @".sr", @".st", @".su", @".sv", @".sy", @".sz", @".tc", @".td", @".tf", @".tg", @".th", @".tj", @".tk", @".tl", @".tm", @".tn", @".to", @".tp", @".tr", @".tt", @".tv", @".tw", @".tz", @".ua", @".ug", @".uk", @".us", @".uy", @".uz", @".va", @".vc", @".ve", @".vg", @".vi", @".vn", @".vu", @".wf", @".ws", @".ye", @".yt", @".za", @".zm", @".zw", nil];
if(topLevelDomain != nil && ([TLD containsObject:topLevelDomain])) {
//NSLog(@"TLD contains topLevelDomain:%@",topLevelDomain);
return TRUE;
}
/*else {
NSLog(@"TLD DOEST NOT contains topLevelDomain:%@",topLevelDomain);
}*/
}
}
return FALSE;
}
Utilisez le code ci-dessous: -
NSString *emailRegEx = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegEx];
//Valid email address
if ([emailTest evaluateWithObject:userMailTextField.text] == YES)
{
//Do Something
}
else
{
NSLog(@"email not in proper format");
}
userMailTextField est le nom de mon textField (utilisez le vôtre).
J'espère que ce code vous aidera !!!
Utilisez le code ci-dessous pour "Langue rapide" Pour la validation de courrier électronique
func ValidateEmailString (strEmail:NSString) -> Bool
{
let emailRegex = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}"
let emailText = NSPredicate(format:"SELF MATCHES [c]%@",emailRegex)
return (emailText!.evaluateWithObject(strEmail))
}
Merci :)
NSRegularExpression
est le meilleur moyen de Valider les adresses électroniques avec iOS 4.x et versions ultérieures.
-(BOOL) validateEmail:(NSString*) emailString
{
NSString *regExPattern = @"^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,4}$";
NSRegularExpression *regEx = [[NSRegularExpression alloc] initWithPattern:regExPattern options:NSRegularExpressionCaseInsensitive error:nil];
NSUInteger regExMatches = [regEx numberOfMatchesInString:emailString options:0 range:NSMakeRange(0, [emailString length])];
NSLog(@"%i", regExMatches);
if (regExMatches == 0) {
return NO;
}
else
return YES;
}
Utilisation:
if([self validateEmail:@"[email protected]"]) {
//Email Address is valid.
}
else {
//Email Address is invalid.
}
--Il est facile de valider votre identifiant de messagerie en appelant la méthode validateEmail
:
-(BOOL)validateEmail:(NSString *)email
{
NSString *emailRegex = @"[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?";
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
return [emailTest evaluateWithObject:email];
}
Vérifiez votre identifiant email ici ....
BOOL eb=[self validateEmail:**youremailtextfield**];
if(!eb)
{
UIAlertView *alertsuccess = [[UIAlertView alloc] initWithTitle:@"Sorry" message:@"Please enter correct email id"
delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil, nil];
[alertsuccess show];
[alertsuccess release];
}
Voici le moyen simple de valider un email dans obj c
if(![self validEmail:self.emailTxtFld.text]) {
// here show alert not a valid email id
}
méthode d'email valide ici est
- (BOOL) validEmail:(NSString*) emailString {
if([emailString length]==0){
return NO;
}
NSString *regExPattern = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
NSRegularExpression *regEx = [[NSRegularExpression alloc] initWithPattern:regExPattern options:NSRegularExpressionCaseInsensitive error:nil];
NSUInteger regExMatches = [regEx numberOfMatchesInString:emailString options:0 range:NSMakeRange(0, [emailString length])];
if (regExMatches == 0) {
return NO;
} else {
return YES;
}
}
Dans Swift 3.0 Version
if !validEmailId(inputText: userNameTxtFld.text!) {
print("Not Valid Emaild")
}
else {
print("valid email id")
}
func validEmailId(inputText: String)-> Bool {
print("validate emilId: \(inputText)")
let emailRegEx = "^(?:(?:(?:(?: )*(?:(?:(?:\\t| )*\\r\\n)?(?:\\t| )+))+(?: )*)|(?: )+)?(?:(?:(?:[-A-Za-z0-9!#$%&’*+/=?^_'{|}~]+(?:\\.[-A-Za-z0-9!#$%&’*+/=?^_'{|}~]+)*)|(?:\"(?:(?:(?:(?: )*(?:(?:[!#-Z^-~]|\\[|\\])|(?:\\\\(?:\\t|[ -~]))))+(?: )*)|(?: )+)\"))(?:@)(?:(?:(?:[A-Za-z0-9](?:[-A-Za-z0-9]{0,61}[A-Za-z0-9])?)(?:\\.[A-Za-z0-9](?:[-A-Za-z0-9]{0,61}[A-Za-z0-9])?)*)|(?:\\[(?:(?:(?:(?:(?:[0-9]|(?:[1-9][0-9])|(?:1[0-9][0-9])|(?:2[0-4][0-9])|(?:25[0-5]))\\.){3}(?:[0-9]|(?:[1-9][0-9])|(?:1[0-9][0-9])|(?:2[0-4][0-9])|(?:25[0-5]))))|(?:(?:(?: )*[!-Z^-~])*(?: )*)|(?:[Vv][0-9A-Fa-f]+\\.[-A-Za-z0-9._~!$&'()*+,;=:]+))\\])))(?:(?:(?:(?: )*(?:(?:(?:\\t| )*\\r\\n)?(?:\\t| )+))+(?: )*)|(?: )+)?$"
let emailTest = NSPredicate(format:"SELF MATCHES %@", emailRegEx)
let result = emailTest.evaluate(with: inputText)
return result
}
- (BOOL)validateEmailAddress:(NSString*)yourEmail
{
//create a regex string which includes all email validation
NSString *emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
//create predicate with format matching your regex string
NSPredicate *email = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
//return True if your email address matches the predicate just formed
return [email evaluateWithObject:yourEmail];`
}
Rapide
func validateEmail(email:String) -> Bool {
let stricterFilter = false
let stricterFilterString = "[A-Z0-9a-z\\._%+-]+@([A-Za-z0-9-]+\\.)+[A-Za-z]{2,4}"
let laxString = ".+@([A-Za-z0-9-]+\\.)+[A-Za-z]{2}[A-Za-z]*";
let emailRegex = stricterFilter ? stricterFilterString : laxString
let emailTest = NSPredicate(format: "SELF MATCHES %@", emailRegex)
return emailTest.evaluate(with: email);
}
Cela fonctionne exactement
-(BOOL) emailValidation:(NSString *)emailTxt
{
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:emailTxt];
}
Je suis auteur de DCKit library, qui a DCMandatoryEmailTextField
. Cette classe effectue automatiquement la validation du courrier électronique et met en surbrillance/décoche le champ de texte lorsque l'utilisateur tape une valeur:
Découvrez-le: https://github.com/andrew8712/DCKit
validation parfaite pour le courrier électronique. essaye ça.
- (BOOL)validateEmailWithString:(NSString*)checkString
{
NSString *laxString = @".+@([A-Za-z0-9-]+\\.)+[A-Za-z]{2}[A-Za-z]*";
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", laxString];
return [emailTest evaluateWithObject:checkString];
}
Une fonction:
- (BOOL)validateEmail:(NSString *)enteredEmailID
{
//checking valid email id or not
NSString *emailReg = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailReg];
return [emailTest evaluateWithObject:enteredEmailID];
}
Appelez-le comme:
if ([self validateEmail: textField.text])
{
//NSLog(@"Valid Email");
}
else
{
//NSLog(@"Invalid Email");
}
EDIT: Vous pouvez faire cela dans un champ de texte en finissant l'édition des délégués ou un champ de texte si le caractère change