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+// globals
+var EPSILON = '~';
+var NEXTSTATE = 0;
+var EMPTYSYMBOL = '%';
+var ALPHABET = 'abc'+EMPTYSYMBOL;
+var REDELIMITER = '$';
+var regex = 'a*b|b*a' //(a|b)*'//'a(a|b)*a');
+var word = 'ba'; //'abba';
+
+
+function main() {
+ // parse regular expression
+ var parser = new RegexParser();
+ var nfa = parser.parse(regex);
+ document.write('Parsing: '+parser.getErrorMessage()+'<br />');
+
+ // simulate
+ var simulator = new NfaSimulator(nfa);
+ document.write('\''+word+'\' in <em>L</em>: '+simulator.simulate(word)+'<br />');
+
+ // nfa -> dfa
+ document.write('<pre>');
+ var dfa = new Nfa2Dfa(nfa);
+ var ttable = dfa.do();
+ document.write('</pre>');
+
+ //drawGraph()
+}