diff --git a/lib/index.umd.js b/lib/index.umd.js
index 1bd031a..0732195 100644
--- a/lib/index.umd.js
+++ b/lib/index.umd.js
@@ -149,10 +149,10 @@
       start: function start(src) {
         var _src$match2;
 
-        return (_src$match2 = src.match(/(?<=^|\n).+ search(?=$|\n)/)) == null ? void 0 : _src$match2.index;
+        return (_src$match2 = src.match(/(?<=^|<br>).+ search(?=$|<br>)/)) == null ? void 0 : _src$match2.index;
       },
       tokenizer: function tokenizer(src, tokens) {
-        var rule = /^(.+) search(?=$|\n)/;
+        var rule = /^(?!.*<br>)(.+) search(?=$|<br>)/;
         var match = rule.exec(src);
 
         if (match) {
diff --git a/package-lock.json b/package-lock.json
index 5936239..667a534 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "marked-mfm",
-  "version": "0.1.0",
+  "version": "0.3.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "marked-mfm",
-      "version": "0.1.0",
+      "version": "0.3.1",
       "license": "BlueOak-1.0.0",
       "dependencies": {
         "@babel/core": "^7.18.6",
diff --git a/package.json b/package.json
index b632c54..eee9682 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "marked-mfm",
-  "version": "0.2.1",
+  "version": "0.3.1",
   "description": "Marked.js extension for Misskey-flavored Markdown",
   "main": "./src/index.js",
   "browser": "./lib/index.umd.js",
diff --git a/src/index.js b/src/index.js
index a145adb..6c07a70 100644
--- a/src/index.js
+++ b/src/index.js
@@ -50,9 +50,9 @@ export default {
     {
       name: 'mfmSearch',
       level: 'inline',
-      start (src) { return src.match(/(?<=^|\n).+ search(?=$|\n)/)?.index },
+      start (src) { return src.match(/(?<=^|<br>).+ search(?=$|<br>)/)?.index },
       tokenizer (src, tokens) {
-        const rule = /^(.+) search(?=$|\n)/
+        const rule = /^(?!.*<br>)(.+) search(?=$|<br>)/
         const match = rule.exec(src)
         if (match) {
           const token = {