nested match groups goof up codetagger

[turbach]

This non-nested anchor group patterns has 2 match groups and extracts out two rows: a match for the 1 or 2 and a match for the 1024

(#[12]) (1024)

This has a nested anchor group pattern extracts one row with the first 1 or 2 but doesn't extract the 1024

(#(1|2)) (1024)