Added RegExp

src/com/imegumii/codevandocent/TestRegExp.java

@@ -0,0 +1,43 @@
+package com.imegumii.codevandocent;
+
+/**
+ * Write a description of class TestRegExp here.
+ * 
+*/
+
+public class TestRegExp
+{
+    private RegExp expr1, expr2, expr3, expr4, expr5, a, b, all;
+
+    public TestRegExp()
+    {
+        a = new RegExp("a");
+        b = new RegExp("b");
+        
+        // expr1: "baa"
+        expr1 = new RegExp("baa");
+        // expr2: "bb"
+        expr2 = new RegExp("bb");
+        // expr3: "baa | baa"
+        expr3 = expr1.or(expr2);
+        
+        // all: "(a|b)*"
+        all = (a.or(b)).star();
+        
+        // expr4: "(baa | baa)+"
+        expr4 = expr3.plus();
+        // expr5: "(baa | baa)+ (a|b)*"
+        expr5 = expr4.dot(all);
+    }
+    
+    public void testLanguage()
+    {
+        System.out.println("taal van (baa):\n" + expr1.getLanguage(5));
+        System.out.println("taal van (bb):\n" + expr2.getLanguage(5));
+        System.out.println("taal van (baa | bb):\n" + expr3.getLanguage(5));
+
+        System.out.println("taal van (a|b)*:\n" + all.getLanguage(5));
+        System.out.println("taal van (baa | bb)+:\n" + expr4.getLanguage(5));
+        System.out.println("taal van (baa | bb)+ (a|b)*:\n" + expr5.getLanguage(6));
+    }
+}