Yup, it helped, here's a sample Latex snippet, it only grabs labels and (sub)*sections, but should be generally useful.
Also very cool that this works immediately, you don't need to restart TM or the codebrowser.
Jeroen.
--langdef=latex --langmap=latex:.tex --regex-latex=/\label{*([^} \t]+)[ \t]*}/\1/l,label/ --regex-latex=/^\(sub)*section{([^}]*)}/\2/s,section/