1.过滤数据的时候用到该类，例如
| int i = 0,count = [arrayFilter count]; for(i = 0; i < count; i ++) { NSString *arrayItem = (NSString *)[arrayFilter objectAtIndex:i]; NSPredicate *filterPredicate = [[NSPredicate predicateWithFormat:@"SELF CONTAINS %@",arrayItem]; NSLog(@"Filtered array with filter %@,%@",arrayItem,[arrayContents filteredArrayUsingPredicate:filterPredicate]); } |
2.NOT (SELF in %@)
3.SELF == %@（简单比较）
4.SELF like %@
5.SELF like[cd] %@（
［c］表示忽略大小写，［d］表示忽略重音，可以在一起使用）
6.SELF matches %@(正则表达式)
