hive regexp_extract weirdness

Question

I am having some problems with regexp_extract:

I am querying on a tab-delimited file, the column I\'m checking has strings that look like this:

abc.d         


        

Answer 1

I think you have to make 'groups' no?

select distinct regexp_extract(name, '([^.]+)', 1) from dummy;

(untested)

I think it behaves like the java library and this should work, let me know though.