Save state before re-write of RegEx.

src/RegEx.cpp

@@ -2,8 +2,10 @@
 #include <cassert>
 
 RegEx::RegEx(std::string inPattern) {
+	std::cout << inPattern << " at rexex" << std::endl;
 	pattern = inPattern;
 	construct();
+	std::cout << inPattern << " at rexex post" << std::endl;
 	deperenthesize();
 }
 
@@ -310,5 +312,12 @@ void RegEx::test() {
         assert(re.longMatch("ab") == 1);
     }
 
+    {
+    	RegEx re("((ab)|c)*");
+    	assert(re.longMatch("ababc") == 5);
+    	assert(re.longMatch("ad") == 1);
+    	assert(re.longMatch("ababccd") == 6);
+    }
+
     std::cout << "RegEx tests pass\n";
 }