Working with Google Sheets

For working with column letters

c2n() | n2c() | addCols()

Description

To get a column number by its letter

c2n(str)

Parameters: ! str - column number in letter notation

To get a column letter by number

n2c(n)

Parameter: ! n- column number as a numeric value

To get a column letter by offset from a given column

addCols(str, n)

Parameters: ! str - column letter n - offset; to get a column number to the left of the specified one, pass a negative offset value.

Examples
Examples
number=c2n('AAB')
string=n2c(54)
offset=addCols('AA',-1)

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