Fix bug

src/expression/expression.test.ts

@@ -54,6 +54,11 @@ describe("expression parser", () => {
         var result = parser.parse("1|~2") as BitwiseOperation;
         expect(result.children.length).toBe(2);
     });
+
+    it("bug2", () => {
+        const result = parser.parse('0b0000000000000000001000010001011110000010100000001 & (0b0000000000000000001000010001011110000010100000001 >> 7)');
+        expect(result).toBeNull();
+    })
 });
 
 describe("comparison with nodejs engine", () => {

src/expression/expression.ts

@@ -84,7 +84,7 @@ class BitwiseOperationExpressionFactory implements IExpressionParserFactory {
     regex: RegExp;
 
     constructor() {
-        this.fullRegex = /^((<<|>>|>>>|\||\&|\^)?(~?-?([b,x,l,s,u,a-f,0-9]+)))+$/i;
+        this.fullRegex = /^[-,~,<,>,&,\^\|,b,x,l,s,u,a-f,0-9,\s]+$/i;
         this.regex = /(<<|>>|>>>|\||\&|\^)?(~?-?(?:[b,x,l,s,u,,a-f,0-9]+))/gi;
     }