diff --git a/packages/backend/src/misc/nyaize.ts b/packages/backend/src/misc/nyaize.ts
index 7ec26c1eb7..b85f1d918e 100644
--- a/packages/backend/src/misc/nyaize.ts
+++ b/packages/backend/src/misc/nyaize.ts
@@ -2,9 +2,9 @@ export function nyaize(text: string): string {
 	return (
 		text
 			// ja-JP
-			.replace(/な/g, "にゃ")
-			.replace(/ナ/g, "ニャ")
-			.replace(/ﾅ/g, "ﾆｬ")
+			.replaceAll("な", "にゃ")
+			.replaceAll("ナ", "ニャ")
+			.replaceAll("ﾅ", "ﾆｬ")
 			// en-US
 			.replace(/(?<=n)a/gi, (x) => (x === "A" ? "YA" : "ya"))
 			.replace(/(?<=morn)ing/gi, (x) => (x === "ING" ? "YAN" : "yan"))
diff --git a/packages/backend/src/server/api/endpoints/notes/search-by-tag.ts b/packages/backend/src/server/api/endpoints/notes/search-by-tag.ts
index 8993237421..d8d0dbbf73 100644
--- a/packages/backend/src/server/api/endpoints/notes/search-by-tag.ts
+++ b/packages/backend/src/server/api/endpoints/notes/search-by-tag.ts
@@ -93,7 +93,7 @@ export default define(meta, paramDef, async (ps, me) => {
 
 	try {
 		if (ps.tag) {
-			if (!safeForSql(normalizeForSearch(ps.tag))) throw 'Injection';
+			if (!safeForSql(normalizeForSearch(ps.tag))) throw "Injection";
 			query.andWhere(`'{"${normalizeForSearch(ps.tag)}"}' <@ note.tags`);
 		} else {
 			query.andWhere(
@@ -102,7 +102,8 @@ export default define(meta, paramDef, async (ps, me) => {
 						qb.orWhere(
 							new Brackets((qb) => {
 								for (const tag of tags) {
-									if (!safeForSql(normalizeForSearch(ps.tag))) throw 'Injection';
+									if (!safeForSql(normalizeForSearch(ps.tag)))
+										throw "Injection";
 									qb.andWhere(`'{"${normalizeForSearch(tag)}"}' <@ note.tags`);
 								}
 							}),
diff --git a/packages/client/src/components/MkEmojiPicker.vue b/packages/client/src/components/MkEmojiPicker.vue
index ac19832553..b26eb12060 100644
--- a/packages/client/src/components/MkEmojiPicker.vue
+++ b/packages/client/src/components/MkEmojiPicker.vue
@@ -316,7 +316,7 @@ function done(query?: any): boolean | void {
 	if (query == null) query = q.value;
 	if (query == null || typeof query !== 'string') return;
 
-	const q2 = query.replace(/:/g, '');
+	const q2 = query.replaceAll(':', '');
 	const exactMatchCustom = customEmojis.find(emoji => emoji.name === q2);
 	if (exactMatchCustom) {
 		chosen(exactMatchCustom);