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Regex provides the ability to validate the structure of an email address. It can be handled with one or two lines of code and can easily be tweaked to handle a wide variation of different parameters.
A valid email address consists of an email prefix and an email domain, both in acceptable formats. The prefix appears to the left of the @ symbol. The domain appears to the right of the @ symbol. For example, in the address [email protected], "example" is the email prefix, and "mail.com" is the email domain.
Three Methods to Validate Email in SwiftUsing functions of Swift NSPredicate class to match an email address input with a regular expression. Creating a custom class conforming to RawRepresentable which initializes only if a valid email address is provided.
i want to use the NSRegularExpression Class to validate if an NSString is an email address.
Something like this pseudocode:
- (BOOL)validateMail : (NSString *)email
{
NSRegularExpression *expression = [NSRegularExpression regularExpressionWithPattern:@"" options:NSRegularExpressionCaseInsensitive error:NULL];
if(emailValidated)
{
return YES;
}else{
return NO;
}
}
But i don't know how exactly i validate an NSString if it's looking like this one "[email protected]"
Perhaps someone can help me here.
Greetings s4lfish
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