From 6587ba72616931b4025be48aa27895722accc92e Mon Sep 17 00:00:00 2001
From: David Anson <david@dlaa.me>
Date: Sat, 28 Sep 2019 14:30:16 -0700
Subject: [PATCH] Fix MD011/no-reversed-links to better handle escaped RegExp
 content in reversed links.

---
 lib/md011.js          |  5 +++--
 test/reversed_link.md | 10 ++++++++++
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/lib/md011.js b/lib/md011.js
index 36bff74e..da0f1dc1 100644
--- a/lib/md011.js
+++ b/lib/md011.js
@@ -2,7 +2,8 @@
 
 "use strict";
 
-const { addError, forEachInlineChild } = require("../helpers");
+const { addError, forEachInlineChild, unescapeMarkdown } =
+  require("../helpers");
 
 const reversedLinkRe = /\(([^)]+)\)\[([^\]^][^\]]*)]/g;
 
@@ -17,7 +18,7 @@ module.exports = {
       while ((match = reversedLinkRe.exec(content)) !== null) {
         const [ reversedLink, linkText, linkDestination ] = match;
         const line = params.lines[lineNumber - 1];
-        const column = line.indexOf(reversedLink) + 1;
+        const column = unescapeMarkdown(line).indexOf(reversedLink) + 1;
         const length = reversedLink.length;
         addError(
           onError,
diff --git a/test/reversed_link.md b/test/reversed_link.md
index d642ba4c..b6df2601 100644
--- a/test/reversed_link.md
+++ b/test/reversed_link.md
@@ -22,3 +22,13 @@ code code
 code` text
 text
 text (reversed)[link] text {MD011}
+
+## Escaped JavaScript Content
+
+var IDENT_RE = '([a-zA-Z]|\\.[a-zA-Z.])[a-zA-Z0-9._]*'; {MD011}
+
+begin: /\B(([\/.])[\w\-.\/=]+)+/, {MD011}
+
+{begin: '%r\\(', end: '\\)[a-z]*'} {MD011}
+
+return /(?:(?:(^|\/)[!.])|[*?+()|\[\]{}]|[+@]\()/.test(str); {MD011}