diff --git a/.gitignore b/.gitignore
index 10946754..a0062d99 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,5 @@ data/
 logs/
 
 config.yml
+
+store-test/
diff --git a/src/main/kotlin/com/jaoafa/vcspeaker/tts/TextProcessor.kt b/src/main/kotlin/com/jaoafa/vcspeaker/tts/TextProcessor.kt
index bc7183fc..e26386cf 100644
--- a/src/main/kotlin/com/jaoafa/vcspeaker/tts/TextProcessor.kt
+++ b/src/main/kotlin/com/jaoafa/vcspeaker/tts/TextProcessor.kt
@@ -28,9 +28,9 @@ object TextProcessor {
     suspend fun processText(guildId: Snowflake, text: String): String? {
         if (text.shouldIgnoreOn(guildId)) return null
 
-        val replacedText = replacers.fold(text) { replacedText, replacer ->
-            replacer.replace(replacedText, guildId)
-        }.replaceEmojiToName()
+        val replacedText = replacers.fold(mutableListOf(Token(text))) { tokens, replacer ->
+            replacer.replace(tokens, guildId)
+        }.joinToString("") { it.text }.replaceEmojiToName()
 
         if (replacedText.shouldIgnoreOn(guildId)) return null
 
diff --git a/src/main/kotlin/com/jaoafa/vcspeaker/tts/Token.kt b/src/main/kotlin/com/jaoafa/vcspeaker/tts/Token.kt
new file mode 100644
index 00000000..c23a0128
--- /dev/null
+++ b/src/main/kotlin/com/jaoafa/vcspeaker/tts/Token.kt
@@ -0,0 +1,3 @@
+package com.jaoafa.vcspeaker.tts
+
+data class Token(val text: String, val replaced: Boolean = false)
diff --git a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/AliasReplacer.kt b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/AliasReplacer.kt
index 2701823b..6252af7a 100644
--- a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/AliasReplacer.kt
+++ b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/AliasReplacer.kt
@@ -1,16 +1,34 @@
 package com.jaoafa.vcspeaker.tts.replacers
 
 import com.jaoafa.vcspeaker.stores.AliasType
+import com.jaoafa.vcspeaker.tts.Token
 import dev.kord.common.entity.Snowflake
 
 /**
  * エイリアスを置換するクラス
  */
 object AliasReplacer : BaseReplacer {
-    override val priority = ReplacerPriority.Normal
+    override val priority = ReplacerPriority.Low
 
-    override suspend fun replace(text: String, guildId: Snowflake) =
-        replaceText(text, guildId, AliasType.Text) { alias, replacedText ->
-            replacedText.replace(alias.search, alias.replace)
+    override suspend fun replace(tokens: MutableList<Token>, guildId: Snowflake) =
+        replaceText(tokens, guildId, AliasType.Text) { alias, replacedTokens ->
+            buildList {
+                for (replacedToken in replacedTokens) {
+                    val text = replacedToken.text
+
+                    if (replacedToken.replaced || !text.contains(alias.search)) {
+                        add(replacedToken)
+                        continue
+                    }
+
+                    val splitTexts = text.split(alias.search)
+
+                    val additions = splitTexts.mixin {
+                        Token(alias.replace, true)
+                    }
+
+                    addAll(additions)
+                }
+            }.toMutableList()
         }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/BaseReplacer.kt b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/BaseReplacer.kt
index 1de362e5..29b172b8 100644
--- a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/BaseReplacer.kt
+++ b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/BaseReplacer.kt
@@ -4,8 +4,10 @@ import com.jaoafa.vcspeaker.VCSpeaker
 import com.jaoafa.vcspeaker.stores.AliasData
 import com.jaoafa.vcspeaker.stores.AliasStore
 import com.jaoafa.vcspeaker.stores.AliasType
+import com.jaoafa.vcspeaker.tts.Token
 import dev.kord.common.entity.Snowflake
 import dev.kord.core.Kord
+import kotlinx.coroutines.runBlocking
 
 /**
  * テキストを置換する基底クラス
@@ -13,37 +15,64 @@ import dev.kord.core.Kord
 interface BaseReplacer {
     val priority: ReplacerPriority
 
-    suspend fun replace(text: String, guildId: Snowflake): String
+    suspend fun replace(tokens: MutableList<Token>, guildId: Snowflake): MutableList<Token>
 
     fun replaceText(
-        text: String,
+        tokens: MutableList<Token>,
         guildId: Snowflake,
         type: AliasType,
-        transform: (AliasData, String) -> String
-    ): String {
+        transform: (AliasData, MutableList<Token>) -> MutableList<Token>
+    ): MutableList<Token> {
         val aliases = AliasStore.filter(guildId).filter { it.type == type }
 
-        val replacedText = aliases.fold(text) { replacedText, alias ->
-            transform(alias, replacedText)
+        val replacedText = aliases.fold(tokens) { replacedTokens, alias ->
+            transform(alias, replacedTokens)
         }
 
         return replacedText
     }
 
     suspend fun replaceMentionable(
-        text: String,
+        tokens: MutableList<Token>,
         regex: Regex,
         nameSupplier: suspend (Kord, Snowflake) -> String
-    ): String {
-        val matches = regex.findAll(text)
+    ): MutableList<Token> {
+        val newTokens = mutableListOf<Token>()
 
-        val replacedText = matches.fold(text) { replacedText, match ->
-            val id = Snowflake(match.groupValues[1]) // 0 is for whole match
-            val name = nameSupplier(VCSpeaker.kord, id)
+        for (token in tokens) {
+            val text = token.text
 
-            replacedText.replace(match.value, name)
+            if (token.replaced || !text.partialMatch(regex)) {
+                newTokens.add(token)
+                continue
+            }
+
+            val matches = regex.findAll(text).toList()
+
+            val splitTexts = text.split(regex)
+
+            val additions = splitTexts.mixin { index ->
+                val match = matches[index]
+                val id = Snowflake(match.groupValues[1]) // 0 is for whole match
+                val name = nameSupplier(VCSpeaker.kord, id)
+
+                Token(name, true)
+            }
+
+            newTokens.addAll(additions)
         }
 
-        return replacedText
+        return newTokens
     }
+
+
+    fun List<String>.mixin(provider: suspend (Int) -> Token) = buildList {
+        // ["Token1", "Token2", "Token3"] -> ["Token1", provider(1), "Token2", provider(2), "Token3"]
+        for (index in 0..(this@mixin.size * 2 - 2)) {
+            if (index % 2 == 0) add(Token(this@mixin[index / 2]))
+            else add(runBlocking { provider((index + 1) / 2) })
+        }
+    }
+
+    fun String.partialMatch(regex: Regex) = regex.findAll(this).toList().isNotEmpty()
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/ChannelMentionReplacer.kt b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/ChannelMentionReplacer.kt
index 4137aa77..9d842097 100644
--- a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/ChannelMentionReplacer.kt
+++ b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/ChannelMentionReplacer.kt
@@ -1,15 +1,16 @@
 package com.jaoafa.vcspeaker.tts.replacers
 
+import com.jaoafa.vcspeaker.tts.Token
 import dev.kord.common.entity.Snowflake
 
 /**
  * チャンネルメンションを置換するクラス
  */
 object ChannelMentionReplacer : BaseReplacer {
-    override val priority = ReplacerPriority.High
+    override val priority = ReplacerPriority.Normal
 
-    override suspend fun replace(text: String, guildId: Snowflake) =
-        replaceMentionable(text, Regex("<#(\\d+)>")) { kord, id ->
+    override suspend fun replace(tokens: MutableList<Token>, guildId: Snowflake) =
+        replaceMentionable(tokens, Regex("<#(\\d+)>")) { kord, id ->
             kord.getChannel(id)?.data?.name?.value ?: "不明なチャンネル"
         }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/EmojiReplacer.kt b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/EmojiReplacer.kt
index cdfdcade..dd6f39f9 100644
--- a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/EmojiReplacer.kt
+++ b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/EmojiReplacer.kt
@@ -1,16 +1,34 @@
 package com.jaoafa.vcspeaker.tts.replacers
 
 import com.jaoafa.vcspeaker.stores.AliasType
+import com.jaoafa.vcspeaker.tts.Token
 import dev.kord.common.entity.Snowflake
 
 /**
  * 絵文字エイリアスを置換するクラス
  */
 object EmojiReplacer : BaseReplacer {
-    override val priority = ReplacerPriority.High
+    override val priority = ReplacerPriority.Normal
 
-    override suspend fun replace(text: String, guildId: Snowflake) =
-        replaceText(text, guildId, AliasType.Emoji) { alias, replacedText ->
-            replacedText.replace(alias.search, alias.replace)
+    override suspend fun replace(tokens: MutableList<Token>, guildId: Snowflake) =
+        replaceText(tokens, guildId, AliasType.Emoji) { alias, replacedTokens ->
+            buildList {
+                for (token in replacedTokens) {
+                    val text = token.text
+
+                    if (token.replaced || !text.contains(alias.search)) {
+                        add(token)
+                        continue
+                    }
+
+                    val splitTexts = text.split(alias.search)
+
+                    val additions = splitTexts.mixin {
+                        Token(alias.replace, true)
+                    }
+
+                    addAll(additions)
+                }
+            }.toMutableList()
         }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/GuildEmojiReplacer.kt b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/GuildEmojiReplacer.kt
index 395c84f3..750718b6 100644
--- a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/GuildEmojiReplacer.kt
+++ b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/GuildEmojiReplacer.kt
@@ -1,22 +1,36 @@
 package com.jaoafa.vcspeaker.tts.replacers
 
+import com.jaoafa.vcspeaker.tts.Token
 import dev.kord.common.entity.Snowflake
 
 /**
  * Guildの絵文字を置換するクラス
  */
 object GuildEmojiReplacer : BaseReplacer {
-    override val priority = ReplacerPriority.High
+    override val priority = ReplacerPriority.Normal
 
-    override suspend fun replace(text: String, guildId: Snowflake): String {
-        val matches = Regex("<a?:(\\w+):(\\d+)>").findAll(text)
+    override suspend fun replace(tokens: MutableList<Token>, guildId: Snowflake) = buildList {
+        val regex = Regex("<a?:(\\w+):(\\d+)>")
+        for (token in tokens) {
+            val text = token.text
 
-        val replacedText = matches.fold(text) { replacedText, match ->
-            val emojiName = match.groupValues[1]
+            if (token.replaced || !text.partialMatch(regex)) {
+                add(token)
+                continue
+            }
 
-            replacedText.replace(match.value, emojiName)
-        }
+            val matches = regex.findAll(text).toList()
+
+            val splitTexts = text.split(regex)
+
+            val additions = splitTexts.mixin { index ->
+                val match = matches[index]
+                val emojiName = match.groupValues[1]
 
-        return replacedText
-    }
+                Token(emojiName, true)
+            }
+
+            addAll(additions)
+        }
+    }.toMutableList()
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/RegexReplacer.kt b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/RegexReplacer.kt
index 0986a138..4b6747e6 100644
--- a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/RegexReplacer.kt
+++ b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/RegexReplacer.kt
@@ -1,16 +1,36 @@
 package com.jaoafa.vcspeaker.tts.replacers
 
 import com.jaoafa.vcspeaker.stores.AliasType
+import com.jaoafa.vcspeaker.tts.Token
 import dev.kord.common.entity.Snowflake
 
 /**
  * 正規表現エイリアスを置換するクラス
  */
 object RegexReplacer : BaseReplacer {
-    override val priority = ReplacerPriority.Normal
+    override val priority = ReplacerPriority.Low
 
-    override suspend fun replace(text: String, guildId: Snowflake) =
-        replaceText(text, guildId, AliasType.Regex) { alias, replacedText ->
-            replacedText.replace(Regex(alias.search), alias.replace)
+    override suspend fun replace(tokens: MutableList<Token>, guildId: Snowflake) =
+        replaceText(tokens, guildId, AliasType.Regex) { alias, replacedTokens ->
+            buildList {
+                val regex = Regex(alias.search)
+
+                for (replacedToken in replacedTokens) {
+                    val text = replacedToken.text
+
+                    if (replacedToken.replaced || !text.partialMatch(regex)) {
+                        add(replacedToken)
+                        continue
+                    }
+
+                    val splitTexts = text.split(regex)
+
+                    val additions = splitTexts.mixin {
+                        Token(alias.replace, true)
+                    }
+
+                    addAll(additions)
+                }
+            }.toMutableList()
         }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/RoleMentionReplacer.kt b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/RoleMentionReplacer.kt
index 082bacbe..3b05589a 100644
--- a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/RoleMentionReplacer.kt
+++ b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/RoleMentionReplacer.kt
@@ -1,15 +1,16 @@
 package com.jaoafa.vcspeaker.tts.replacers
 
+import com.jaoafa.vcspeaker.tts.Token
 import dev.kord.common.entity.Snowflake
 
 /**
  * ロールメンションを置換するクラス
  */
 object RoleMentionReplacer : BaseReplacer {
-    override val priority = ReplacerPriority.High
+    override val priority = ReplacerPriority.Normal
 
-    override suspend fun replace(text: String, guildId: Snowflake) =
-        replaceMentionable(text, Regex("<@&(\\d+)>")) { kord, id ->
+    override suspend fun replace(tokens: MutableList<Token>, guildId: Snowflake) =
+        replaceMentionable(tokens, Regex("<@&(\\d+)>")) { kord, id ->
             kord.getGuildOrNull(guildId)?.getRole(id)?.data?.name ?: "不明なロール"
         }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/UrlReplacer.kt b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/UrlReplacer.kt
index 91bc3d9b..a68718ad 100644
--- a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/UrlReplacer.kt
+++ b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/UrlReplacer.kt
@@ -8,6 +8,7 @@ import com.jaoafa.vcspeaker.tools.Steam
 import com.jaoafa.vcspeaker.tools.Twitter
 import com.jaoafa.vcspeaker.tools.YouTube
 import com.jaoafa.vcspeaker.tools.discord.DiscordExtensions.isThread
+import com.jaoafa.vcspeaker.tts.Token
 import dev.kord.common.entity.ChannelType
 import dev.kord.common.entity.Snowflake
 import dev.kord.core.behavior.channel.asChannelOf
@@ -34,24 +35,28 @@ import kotlin.text.String
 object UrlReplacer : BaseReplacer {
     override val priority = ReplacerPriority.High
 
-    override suspend fun replace(text: String, guildId: Snowflake): String {
+    override suspend fun replace(tokens: MutableList<Token>, guildId: Snowflake): MutableList<Token> {
         suspend fun replaceUrl(vararg replacers: suspend (String, Snowflake) -> String) =
-            replacers.fold(text) { replacedText, replacer ->
+            replacers.fold(tokens.joinToString("") { it.text }) { replacedText, replacer ->
                 replacer(replacedText, guildId)
             }
 
-        return replaceUrl(
-            ::replaceMessageUrl,
-            ::replaceChannelUrl,
-            ::replaceEventDirectUrl,
-            ::replaceEventInviteUrl,
-            ::replaceTweetUrl,
-            ::replaceInviteUrl,
-            ::replaceSteamAppUrl,
-            ::replaceYouTubeUrl,
-            ::replaceYouTubePlaylistUrl,
-            ::replaceUrlToTitle,
-            ::replaceUrl,
+        return mutableListOf(
+            Token(
+                replaceUrl(
+                    ::replaceMessageUrl,
+                    ::replaceChannelUrl,
+                    ::replaceEventDirectUrl,
+                    ::replaceEventInviteUrl,
+                    ::replaceTweetUrl,
+                    ::replaceInviteUrl,
+                    ::replaceSteamAppUrl,
+                    ::replaceYouTubeUrl,
+                    ::replaceYouTubePlaylistUrl,
+                    ::replaceUrlToTitle,
+                    ::replaceUrl,
+                )
+            )
         )
     }
 
@@ -523,11 +528,9 @@ object UrlReplacer : BaseReplacer {
             )
 
             // 動画タイトルが20文字を超える場合は、20文字に短縮して「以下略」を付ける
-            val videoTitle = video.title.substring(0, 15.coerceAtMost(video.title.length)) +
-                    if (video.title.length > 15) " 以下略" else ""
+            val videoTitle = video.title.shorten(20)
             // 投稿者名が15文字を超える場合は、15文字に短縮して「以下略」を付ける
-            val authorName = video.authorName.substring(0, 13.coerceAtMost(video.authorName.length)) +
-                    if (video.authorName.length > 15) " 以下略" else ""
+            val authorName = video.authorName.shorten(15)
 
             // URLからアイテムの種別を断定できる場合は、それに応じたテンプレートを使用する
             val replaceTo = when (videoType) {
diff --git a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/UserMentionReplacer.kt b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/UserMentionReplacer.kt
index e0383b33..b7619be1 100644
--- a/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/UserMentionReplacer.kt
+++ b/src/main/kotlin/com/jaoafa/vcspeaker/tts/replacers/UserMentionReplacer.kt
@@ -1,15 +1,16 @@
 package com.jaoafa.vcspeaker.tts.replacers
 
+import com.jaoafa.vcspeaker.tts.Token
 import dev.kord.common.entity.Snowflake
 
 /**
  * ユーザーメンションを置換するクラス
  */
 object UserMentionReplacer : BaseReplacer {
-    override val priority = ReplacerPriority.High
+    override val priority = ReplacerPriority.Normal
 
-    override suspend fun replace(text: String, guildId: Snowflake) =
-        replaceMentionable(text, Regex("<@!?(\\d+)>")) { kord, id ->
+    override suspend fun replace(tokens: MutableList<Token>, guildId: Snowflake) =
+        replaceMentionable(tokens, Regex("<@!?(\\d+)>")) { kord, id ->
             val effectiveName = kord.getGuildOrNull(guildId)?.getMember(id)?.effectiveName
             effectiveName ?: "不明なユーザー"
         }
diff --git a/src/test/kotlin/TextProcessorTest.kt b/src/test/kotlin/TextProcessorTest.kt
index a07c8ce8..3c0e2626 100644
--- a/src/test/kotlin/TextProcessorTest.kt
+++ b/src/test/kotlin/TextProcessorTest.kt
@@ -1,3 +1,4 @@
+
 import com.jaoafa.vcspeaker.VCSpeaker
 import com.jaoafa.vcspeaker.stores.*
 import com.jaoafa.vcspeaker.tts.TextProcessor
@@ -283,7 +284,7 @@ class TextProcessorTest : FunSpec({
             processed shouldBe "Bonjour, Kotlin!"
         }
 
-        test("processText - alias - recursive") {
+        test("processText - alias - non recursive") {
             AliasStore.create(
                 AliasData(
                     guildId = Snowflake(0),
@@ -294,6 +295,7 @@ class TextProcessorTest : FunSpec({
                 )
             )
 
+            // should be skipped
             AliasStore.create(
                 AliasData(
                     guildId = Snowflake(0),
@@ -304,8 +306,18 @@ class TextProcessorTest : FunSpec({
                 )
             )
 
+            AliasStore.create(
+                AliasData(
+                    guildId = Snowflake(0),
+                    userId = Snowflake(0),
+                    type = AliasType.Regex,
+                    search = "w.+d",
+                    replace = "Kotlin"
+                )
+            )
+
             val processed = TextProcessor.processText(Snowflake(0), "Hello, world!")
-            processed shouldBe "你好，Kotlin!"
+            processed shouldBe "Bonjour, Kotlin!"
         }
     }
 })
\ No newline at end of file