Where can I find a set of regex's (or other pattern-match representations) for matching mathematical formulas?

Question

I would like to obtain a fairly complete set of regular expressions (or some other pattern-matching representations) for matching and analyzing/interpreting mathematical formulas and equations. Pointers to such sets will be greatly appreciated.

Answer 1

Try these sites:

http://www.cs.utah.edu/dept/old/texinfo/regex/regex.html

http://www.frontiernet.net/~hsweet/programming/assignments/regex-worksheet.htm