Common functions of Excel

*, or usage of excel

=OR(IF(COUNT(FIND("、",C2,1)),false,true),(IF("ERROR"=C2,TRUE,FALSE)))

 

*, excel query whether a certain keyword has appeared and then make the final assignment through if

=IF(COUNT(FIND("、",C2,1)),"是","否")

 

*, excel specifies the delimiter to intercept the left character

=LEFT(A2,FIND("：",A2,1)-1)

 

*, excel specifies the delimiter to intercept the characters on the right

=RIGHT(A2,LEN(A2)-FIND("：",A2,1))

 

*, excel splicing a column of data

eg: A column of pure numbers needs to be spliced ​​into -->"12","23","12","34","43", etc.
plan:
Step 1: Use the formula = """"& column number (PS: yes, four double quotes), the result is pure (value copy) to another column
Step 2: Use the formula = column number &"""""," (PS: the commas that follow should be represented as strings with double quotation marks)
In fact, the first and second steps can be combined, O(∩_∩)O haha~
Step 3: Use the formula =PHONETIC (select some continuous data in a column with the mouse)
Step 4: Simply polish the acquired data and extract the required content