1 files changed, 13 insertions, 1 deletions
diff --git a/tools/eslint/lib/rules/no-invalid-regexp.js b/tools/eslint/lib/rules/no-invalid-regexp.js
index 63608c6c47..d46f9cb072 100644
--- a/tools/eslint/lib/rules/no-invalid-regexp.js
+++ b/tools/eslint/lib/rules/no-invalid-regexp.js
@@ -17,17 +17,29 @@ var espree = require("espree");
 
 module.exports = function(context) {
 
+    /**
+     * Check if node is a string
+     * @param {ASTNode} node node to evaluate
+     * @returns {boolean} True if its a string
+     * @private
+     */
     function isString(node) {
         return node && node.type === "Literal" && typeof node.value === "string";
     }
 
+    /**
+     * Validate strings passed to the RegExp constructor
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
     function check(node) {
         if (node.callee.type === "Identifier" && node.callee.name === "RegExp" && isString(node.arguments[0])) {
             var flags = isString(node.arguments[1]) ? node.arguments[1].value : "";
 
             try {
                 void new RegExp(node.arguments[0].value);
-            } catch(e) {
+            } catch (e) {
                 context.report(node, e.message);
             }