%==%                    Locate Accurately
%s=%                    Locate Similarly by grep()
Grepl                   Judge for Included Character
Nchar                   Number of Characters
Replace                 Replace
Replace0                Replaced by Empty
Replace_ex              Replace Exactly
Trim                    Trim
chinese_utf8            UTF8 Code for Chinese
col_split               Split A Vector into Columns
common                  Find Common Objects from Vectors
delete_left             Delete and Move Left the rest Values
delete_up               Delete and Move Up the Rest Values
dup.connect             Connect Duplicated Values
equal_length            Equal Length
expand                  Expand Data by Weight
get_names               Get Names of Object
inner_Add_Symbol        Concatenate Strings
left                    Truncate Characters from the Left
mid                     Truncate Characters from the Inside
reshape_toLong          Convert Wide Data to Long
reshape_towide          Reshape to Wide Format
reverse                 Reverse String Order
right                   Truncate Characters from the Right
row.freq                Row Frequency
split_expand            Split One Column and Expand
take_out                Extract Some String
unique_no.NA            Unique Without NA
