bww@k.gp.cs.cmu.edu (Bradley White) (09/26/87)
In article <8765@mimsy.UUCP>, chris@mimsy.UUCP (Chris Torek) writes: > The expression > > \(\*(\*[^)]|[^*])*\*+\) > > should work. Clearly the above expression is wrong if Lex selects the longest matching pattern (as it does). Consider, for example, the string "(***)*)". If Lex took the shortest pattern then \(\*.*\*\) would suffice. A correct expression is \(\*[^*]*\*+([^*)][^*]*\*+)*\) -- Bradley White <bww@cs.cmu.edu> +1-412-268-3060 CMU Computer Science Department 40 26'33"N 79 56'48"W