Add wildcard to trigger

package.json

@@ -44,6 +44,7 @@
         "dev": "./node_modules/.bin/mocha --compilers js:babel-core/register --recursive --watch test/",
         "docs:make": "./node_modules/.bin/esdoc -c .esdoc.json",
         "eslint": "./node_modules/.bin/eslint src/",
+        "start": "node ./lib/Cli ./example/eliza.bot",
         "test": "./node_modules/.bin/mocha --compilers js:babel-core/register --recursive test/"
     },
     "eslintConfig": {

src/Botlang.js

@@ -43,7 +43,7 @@ class Botlang {
     let res = null;
 
     this.program.body.forEach((el) => {
-      if ('trigger' === el.type && new RegExp(el.pattern).test(message)) res = Botlang.evalTriggerNode(message, el);
+      if ('trigger' === el.type && new RegExp(el.pattern, 'i').test(message)) res = Botlang.evalTriggerNode(message, el);
     });
 
     return res || 'Sorry, I do not know the answer to that question.';

src/Parser/Parser.js

@@ -94,14 +94,17 @@ class Parser {
    * @return {Object}
    */
   parseTrigger() {
-    const trigger = this.lexer.next();
+    const trigger = this.lexer.next(),
+          // Replace wildcard characters
+          pattern = trigger.getValue().replace(/(\s?)\*(\s?)/g, '(\\w?)');
+
     if ('string' !== trigger.getType()) {
       return this.lexer.inputError('Expected trigger pattern after trigger identifier.');
     }
 
     return {
       type      : 'trigger',
-      pattern   : trigger.getValue(),
+      pattern,
       responses : []
     };
   }

test/Data/hello_world.ast.json

@@ -12,7 +12,7 @@
         }]
     }, {
         "type": "trigger",
-        "pattern": "Hey",
+        "pattern": "(\\w?)Hey",
         "responses": [{
             "type": "response",
             "value": "Hi, how is it going?"

test/Data/hello_world.bot

@@ -4,5 +4,5 @@
 - "Hi, how are you?"
 - "Hey, how are you?"
 
-+ "Hey"
++ "* Hey"
 - "Hi, how is it going?"