IOS Predicate to search in a sentence -


i using predicate 

nspredicate *resultpredicate = [nspredicate predicatewithformat:@"title contains[cd] %@", searchtext];     searchresult = [nsmutablearray arraywitharray: [initialarray filteredarrayusingpredicate:resultpredicate]];

this returns if searchtext string. initialarray values sentences , not single words. ex., "today saturday", , when type "today", picks, if continue type "today is" won't come in search results. please guide!!


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