| %uin% | Unicode Character Matching | 
| as.u_char | Unicode Character Objects | 
| as.u_char_range | Unicode Character Objects | 
| as.u_char_seq | Unicode Character Objects | 
| n_of_u_chars | Unicode Character Counts | 
| Unicode_alphabetic_tokenizer | Unicode Alphabetic Tokenizer | 
| u_blocks | Unicode Blocks | 
| u_case_fold | Unicode Case Conversions | 
| u_char | Unicode Character Objects | 
| u_char_from_name | Unicode Character Names | 
| u_char_info | Unicode Character Properties | 
| u_char_inspect | Unicode Character Inspection | 
| u_char_label | Unicode Character Names | 
| u_char_match | Unicode Character Matching | 
| u_char_name | Unicode Character Names | 
| u_char_properties | Unicode Character Properties | 
| u_char_property | Unicode Character Properties | 
| u_char_range | Unicode Character Objects | 
| u_char_seq | Unicode Character Objects | 
| u_named_sequences | Unicode Named Sequences | 
| u_scripts | Unicode Scripts | 
| u_to_lower_case | Unicode Case Conversions | 
| u_to_title_case | Unicode Case Conversions | 
| u_to_upper_case | Unicode Case Conversions |