diff --git a/index-of-match-end.js b/index-of-match-end.js
new file mode 100644
index 0000000..6180e53
--- /dev/null
+++ b/index-of-match-end.js
@@ -0,0 +1,8 @@
+function indexOfMatchEnd(xml, pattern, startIndex) {
+  const re = new RegExp(pattern);
+  const match = re.exec(xml.slice(startIndex));
+  if (match) return startIndex + match.index + match[0].length - 1;
+  else return -1;
+}
+
+module.exports = indexOfMatchEnd;
diff --git a/package.json b/package.json
index 552f31d..fe90376 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
     "find-tags-by-path.js",
     "get-attribute.js",
     "index-of-match.js",
+    "index-of-match-end.js",
     "index.js"
   ],
   "scripts": {