iOS : NSPredicate On NSArray

    /* Input Data sample
    
        SWSearchContact *contactModel = [[SWSearchContact alloc] init];
        
        contactModel.arrPhoneNumbers    = [arrPhoneNumbers copy];
        contactModel.strFirstName       = firstName     ? firstName     : @"";
        contactModel.strMiddleName      = middleName    ? middleName    : @"";
        contactModel.strLastName        = lastName      ? lastName      : @"";
        
        [_arrMutContacts addObject:contactModel];
    
    */
    
    
    
    NSArray         *filteredArray = nil;
    NSPredicate     *predicate;
    
    //E.g 1 : Search on string 
    predicate = [NSPredicate predicateWithFormat:@"strFirstName contains[c] %@ OR strMiddleName contains[c] %@ OR strLastName contains[c] %@",_strName,_strName,_strName];
  
    //E.g 2 : Search inside array for string
    predicate = [NSPredicate predicateWithFormat:@"ANY SELF.arrPhoneNumbers contains[c] %@", _strPhoneNumber];
  
    filteredArray = [_arrMutContacts filteredArrayUsingPredicate:predicate];