How to create a new column through a old one with REGEX in BigQuery?

Question

I would like to create a new column through an old one.

I have this column: name. It\'s a String column. I have this kind of data:

Answer 1

In Standard SQL, we can try using the SPLIT() function:

SELECT
    SPLIT(input, '_')[OFFSET(0)] part1,
    SPLIT(input, '_')[OFFSET(1)] part2,
    SPLIT(input, '_')[OFFSET(2)] part3,
    SPLIT(input, '_')[OFFSET(3)] part4,
    SPLIT(input, '_')[OFFSET(4)] part5
FROM (SELECT "ALUMNNAME_SURNAME_CLASS_UNIVERSITY_YEAR_(16/09 - 22/09)" input)