diff --git a/lib/components/search/search_results_body/parts/kanji_kana_box.dart b/lib/components/search/search_results_body/parts/kanji_kana_box.dart
index 448b81c..654ae8a 100644
--- a/lib/components/search/search_results_body/parts/kanji_kana_box.dart
+++ b/lib/components/search/search_results_body/parts/kanji_kana_box.dart
@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:jisho_study_tool/services/kanji_regex.dart';
 import 'package:unofficial_jisho_api/api.dart';
 
 import '../../../../models/themes/theme.dart';
@@ -34,8 +35,8 @@ class KanjiKanaBox extends StatelessWidget {
 
   bool get hasFurigana => word.reading != null;
 
-  String get kana => '${word.reading ?? ""}${word.word ?? ""}'
-      .replaceAll(RegExp(r'\p{Script=Hani}', unicode: true), '');
+  String get kana =>
+      '${word.reading ?? ""}${word.word ?? ""}'.replaceAll(kanjiRegex, '');
 
   @override
   Widget build(BuildContext context) {
diff --git a/lib/components/search/search_results_body/search_card.dart b/lib/components/search/search_results_body/search_card.dart
index e41ebce..fe5968b 100644
--- a/lib/components/search/search_results_body/search_card.dart
+++ b/lib/components/search/search_results_body/search_card.dart
@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:jisho_study_tool/services/kanji_regex.dart';
 import 'package:unofficial_jisho_api/api.dart';
 
 import './parts/common_badge.dart';
@@ -55,7 +56,7 @@ class _SearchResultCardState extends State<SearchResultCard> {
     return jlpt.last;
   }
 
-  List<String> get kanji => RegExp(r'(\p{Script=Hani})', unicode: true)
+  List<String> get kanji => kanjiRegex
       .allMatches(
         widget.result.japanese
             .map((w) => '${w.word ?? ""}${w.reading ?? ""}')
diff --git a/lib/services/kanji_regex.dart b/lib/services/kanji_regex.dart
new file mode 100644
index 0000000..6cf4c3f
--- /dev/null
+++ b/lib/services/kanji_regex.dart
@@ -0,0 +1 @@
+final kanjiRegex = RegExp(r'\p{Script=Hani}', unicode: true);