a1ToRowColumnOrNull
function a1ToRowColumnOrNull(a1Address): [number, number] | null;Convert an A1 cell address into zero-based row and column indices, if possible.
Like a1ToRowColumn but returns null instead of throwing an error, if a1Address is not an A1 cell address.
Parameters
Section titled “Parameters”a1Address
Section titled “a1Address”string
a cell address in A1 format
Returns
Section titled “Returns”[number, number] | null
zero-based row and column indices, or null if a1Address is not
a cell address in A1 format.