I think that to reflect the OP's requirement and keep the scientific notation numbers as single fields the split regex should be /\s\s+/ instead. In all other aspects the approach looks solid.
In reply to Re^2: How to extract these groups of characters?
by hippo
in thread How to extract these groups of characters?
by Anonymous Monk
| For: | Use: | ||
| & | & | ||
| < | < | ||
| > | > | ||
| [ | [ | ||
| ] | ] |