On Sun, May 9, 2010 at 4:57 PM, Kaiting Chen <kaitocracy@xxxxxxxxx> wrote: > Just to let you know dude, you can't parse that with a regular expression. A > regular expression is modeled / parsed by a finite automaton = a state > machine with a finite number of states. Braces allow nesting which creates a > source with potentially an infinite number of states consider, > > a() { echo 1; b() { echo 2; }; } > > Potentially I could next expressions like that endlessly. A regular > expression will never be able to parse that.because it can never decide > which brace is the final one. This might be better explained here. > > http://stackoverflow.com/questions/133601/can-regular-expressions-be-used-to-match-nested-patterns thank you. i'll continue my journey on parsing this another way.