、、、
+ (BOOL)isEmail:(NSString*)email
{
NSString*emailRegex =@"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
NSPredicate*emailTest = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@", emailRegex];
return[emailTestevaluateWithObject:email];
}
、、、
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