Update .eslintrc

Author: asamuzaK

.eslintrc

@@ -5,14 +5,16 @@
   },
   "extends": [
     "plugin:jsdoc/recommended",
+    "plugin:regexp/recommended",
     "standard"
   ],
   "parserOptions": {
     "ecmaVersion": "latest",
     "sourceType": "module"
   },
   "plugins": [
-    "eslint-plugin-import"
+    "eslint-plugin-import",
+    "eslint-plugin-regexp"
   ],
   "reportUnusedDisableDirectives": true,
   "rules": {