improved performance of string literal regex by removing quantifier inside quantified group
worked on single line regex regex
worked on the xml regex, but hit a wall.

Leaving it alone until I can figure out how to convert EBNF into regex easily.
added cheeky closer
worked on java regex (old stash), but dropped work on it

Turns out they define the language in terms of the standard library behavior.
I can only imagine that the standard library behavior is defined in terms of the language syntax.
updated resume for October 2013
gave up on xml regex, following SEBNF difficulty