Email ID Validation

//Regex for Validating EmailID

-(BOOL) validateEmailIDfromString : (NSString *) s {

    

NSString * emailregexString = @"\\b([a-zA-Z0-9%_.+\\-]+)@([a-zA-Z0-9.\\-]+?\\.[a-zA-Z]{2,3})\\b" ;     

    

NSPredicate *regexText = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",emailregexString] ;

return ([regexText evaluateWithObject:s]);

}

if(![self validateEmailIDfromString:txtLogin]) {  

   // Invalid email ID 

}