Some predicates of the search

Some predicates of the search box

  nspredicate* predicate = [nspredicate Predicatewithformat:@ "userName beginswith[c]%@", SearchString];

Search for objects with username as SearchString

Beginswith to find the first character that meets the criteria

ENDSWITH to find the ending character that meets the criteria

CONTAINS find conditions that contain characters

Like Fuzzy Lookup

They can be used in conjunction with C and D to indicate whether the case is ignored, whether the accented letter is ignored (there is a tone label above the letter)

Some predicates of the search