This is the GitHub repository where I save copies of the katas I've completed on codewars.com. - danghh-1998/codewars ...

SELECT regexp_replace("string_col", '[[:digit:]]+', 'a') AS tmp FROM table2; Exception: Exception occurred: org.apache.calcite.runtime.CalciteContextException: From line 1, column 8 to line 1, column ...

I really should be able to figure this out but for some reason my brain isn't working. Also, I suck at regex. What I want to do is use the PL/SQL to replace all non-alphanumeric characters in a ...