diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/application/ApplicationId.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/application/ApplicationId.kt
index 6daadcf0..41007237 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/application/ApplicationId.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/application/ApplicationId.kt
@@ -17,4 +17,8 @@
 package dev.usbharu.hideout.core.domain.model.application
 
 @JvmInline
-value class ApplicationId(val id: Long)
+value class ApplicationId(val id: Long) {
+    init {
+        require(0 <= id)
+    }
+}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/application/ApplicationName.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/application/ApplicationName.kt
index 6b9f9a77..c57f4755 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/application/ApplicationName.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/application/ApplicationName.kt
@@ -17,4 +17,12 @@
 package dev.usbharu.hideout.core.domain.model.application
 
 @JvmInline
-value class ApplicationName(val name: String)
+value class ApplicationName(val name: String) {
+    init {
+        require(name.length <= LENGTH)
+    }
+
+    companion object {
+        const val LENGTH = 300
+    }
+}
\ No newline at end of file
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/EmojiId.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/EmojiId.kt
index 0ba25e1a..5cf4284d 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/EmojiId.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/EmojiId.kt
@@ -17,4 +17,8 @@
 package dev.usbharu.hideout.core.domain.model.emoji
 
 @JvmInline
-value class EmojiId(val emojiId: Long)
+value class EmojiId(val emojiId: Long) {
+    init {
+        require(0 <= emojiId)
+    }
+}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/filter/Filter.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/filter/Filter.kt
index 41a835b3..dc26a715 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/filter/Filter.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/filter/Filter.kt
@@ -21,6 +21,11 @@ class Filter(
         this.filterKeywords = filterKeywords
     }
 
+    /**
+     * フィルターを正規表現として表現したものを返します
+     *
+     * @return フィルターの正規表現
+     */
     fun compileFilter(): Regex {
         val words = mutableListOf<String>()
         val wholeWords = mutableListOf<String>()
@@ -33,10 +38,11 @@ class Filter(
                 NONE -> words.add(filterKeyword.keyword.keyword)
             }
         }
+        val wholeWordsRegex = wholeWords.takeIf { it.isNotEmpty() }?.joinToString("|", "\\b(", ")\\b")
+        val noneWordsRegex = words.takeIf { it.isNotEmpty() }?.joinToString("|", "(", ")")
+        val regex = regexes.takeIf { it.isNotEmpty() }?.joinToString("|", "(", ")")
 
-        return (wholeWords + regexes + wholeWords)
-            .joinToString("|")
-            .toRegex()
+        return listOfNotNull(wholeWordsRegex, noneWordsRegex, regex).joinToString("|").toRegex()
     }
 
     fun reconstructWith(filterKeywords: Set<FilterKeyword>): Filter {
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterId.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterId.kt
index ce42a4c4..a9ee5ce4 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterId.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterId.kt
@@ -1,4 +1,8 @@
 package dev.usbharu.hideout.core.domain.model.filter
 
 @JvmInline
-value class FilterId(val id: Long)
+value class FilterId(val id: Long) {
+    init {
+        require(0 <= id)
+    }
+}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterName.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterName.kt
index 09e424de..4f398bd3 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterName.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterName.kt
@@ -1,4 +1,12 @@
 package dev.usbharu.hideout.core.domain.model.filter
 
-@JvmInline
-value class FilterName(val name: String)
+
+class FilterName(name: String) {
+
+
+    val name = name.take(LENGTH)
+
+    companion object {
+        const val LENGTH = 300
+    }
+}
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/EqualsAndToStringTest.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/EqualsAndToStringTest.kt
index 96f3655f..d6325826 100644
--- a/hideout-core/src/test/kotlin/dev/usbharu/hideout/EqualsAndToStringTest.kt
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/EqualsAndToStringTest.kt
@@ -19,7 +19,6 @@ package dev.usbharu.hideout
 import com.fasterxml.jackson.module.kotlin.isKotlinClass
 import com.jparams.verifier.tostring.ToStringVerifier
 import com.jparams.verifier.tostring.preset.Presets
-import dev.usbharu.hideout.core.domain.model.emoji.UnicodeEmoji
 import nl.jqno.equalsverifier.EqualsVerifier
 import nl.jqno.equalsverifier.Warning
 import nl.jqno.equalsverifier.internal.reflection.PackageScanner
@@ -115,7 +114,6 @@ class EqualsAndToStringTest {
             .filterNot {
                 it.superclass.isSealed
             }
-            .filterNot { it == UnicodeEmoji::class.java }
             .map {
 
                 dynamicTest(it.name) {
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/application/ApplicationIdTest.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/application/ApplicationIdTest.kt
new file mode 100644
index 00000000..e8c08c9d
--- /dev/null
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/application/ApplicationIdTest.kt
@@ -0,0 +1,20 @@
+package dev.usbharu.hideout.core.domain.model.application
+
+import org.junit.jupiter.api.Assertions.assertDoesNotThrow
+import org.junit.jupiter.api.Test
+
+class ApplicationIdTest {
+    @Test
+    fun applicationIdは0以上である必要がある() {
+        org.junit.jupiter.api.assertThrows<IllegalArgumentException> {
+            ApplicationId(-1)
+        }
+    }
+
+    @Test
+    fun applicationIdが0以上なら設定できる() {
+        assertDoesNotThrow {
+            ApplicationId(1)
+        }
+    }
+}
\ No newline at end of file
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/application/ApplicationNameTest.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/application/ApplicationNameTest.kt
new file mode 100644
index 00000000..a9fddfa1
--- /dev/null
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/application/ApplicationNameTest.kt
@@ -0,0 +1,20 @@
+package dev.usbharu.hideout.core.domain.model.application
+
+import org.junit.jupiter.api.Assertions.assertDoesNotThrow
+import org.junit.jupiter.api.Test
+
+class ApplicationNameTest {
+    @Test
+    fun applicationNameがlength以上の時エラー() {
+        org.junit.jupiter.api.assertThrows<IllegalArgumentException> {
+            ApplicationName("a".repeat(1000))
+        }
+    }
+
+    @Test
+    fun applicationNameがlength未満の時設定できる() {
+        assertDoesNotThrow {
+            ApplicationName("a".repeat(100))
+        }
+    }
+}
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/application/ApplicationTest.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/application/ApplicationTest.kt
new file mode 100644
index 00000000..af51c836
--- /dev/null
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/application/ApplicationTest.kt
@@ -0,0 +1,13 @@
+package dev.usbharu.hideout.core.domain.model.application
+
+import org.junit.jupiter.api.Test
+
+class ApplicationTest {
+    @Test
+    fun インスタンスを生成できる() {
+        Application(
+            ApplicationId(1),
+            ApplicationName("aiueo")
+        )
+    }
+}
\ No newline at end of file
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/emoji/EmojiIdTest.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/emoji/EmojiIdTest.kt
new file mode 100644
index 00000000..c304294b
--- /dev/null
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/emoji/EmojiIdTest.kt
@@ -0,0 +1,20 @@
+package dev.usbharu.hideout.core.domain.model.emoji
+
+import org.junit.jupiter.api.Assertions.assertDoesNotThrow
+import org.junit.jupiter.api.Test
+
+class EmojiIdTest {
+    @Test
+    fun emojiIdは0以上である必要がある() {
+        org.junit.jupiter.api.assertThrows<IllegalArgumentException> {
+            EmojiId(-1)
+        }
+    }
+
+    @Test
+    fun emojiIdは0以上なら設定できる() {
+        assertDoesNotThrow {
+            EmojiId(1)
+        }
+    }
+}
\ No newline at end of file
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterIdTest.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterIdTest.kt
new file mode 100644
index 00000000..f91e4d5f
--- /dev/null
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterIdTest.kt
@@ -0,0 +1,20 @@
+package dev.usbharu.hideout.core.domain.model.filter
+
+import org.junit.jupiter.api.Assertions.assertDoesNotThrow
+import org.junit.jupiter.api.Test
+
+class FilterIdTest {
+    @Test
+    fun filterIdは0以上である必要がある() {
+        org.junit.jupiter.api.assertThrows<IllegalArgumentException> {
+            FilterId(-1)
+        }
+    }
+
+    @Test
+    fun filterIdが0以上なら設定できる() {
+        assertDoesNotThrow {
+            FilterId(1)
+        }
+    }
+}
\ No newline at end of file
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterNameTest.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterNameTest.kt
new file mode 100644
index 00000000..00bd6c84
--- /dev/null
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterNameTest.kt
@@ -0,0 +1,13 @@
+package dev.usbharu.hideout.core.domain.model.filter
+
+import org.junit.jupiter.api.Test
+import kotlin.test.assertEquals
+
+class FilterNameTest {
+    @Test
+    fun FilterNameがlength以上のときは無視される() {
+        val filterName = FilterName("a".repeat(1000))
+
+        assertEquals(FilterName.LENGTH, filterName.name.length)
+    }
+}
\ No newline at end of file
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterTest.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterTest.kt
new file mode 100644
index 00000000..9512f9c7
--- /dev/null
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/filter/FilterTest.kt
@@ -0,0 +1,138 @@
+package dev.usbharu.hideout.core.domain.model.filter
+
+import dev.usbharu.hideout.core.domain.model.actor.ActorId
+import dev.usbharu.hideout.core.domain.model.userdetails.UserDetail
+import dev.usbharu.hideout.core.domain.model.userdetails.UserDetailHashedPassword
+import dev.usbharu.hideout.core.domain.model.userdetails.UserDetailId
+import org.junit.jupiter.api.Assertions.assertDoesNotThrow
+import org.junit.jupiter.api.Test
+
+class FilterTest {
+    @Test
+    fun `setFilterKeywords 所有者のみ変更できる`() {
+        val filter = Filter.create(
+            id = FilterId(1),
+            userDetailId = UserDetailId(1),
+            name = FilterName("aiueo"),
+            filterContext = setOf(),
+            filterAction = FilterAction.HIDE,
+            filterKeywords = setOf()
+        )
+
+        val userDetail = UserDetail.create(
+            id = UserDetailId(1),
+            actorId = ActorId(1),
+            password = UserDetailHashedPassword(""),
+            autoAcceptFolloweeFollowRequest = false,
+            lastMigration = null
+        )
+
+        assertDoesNotThrow {
+            filter.setFilterKeywords(
+                setOf(
+                    FilterKeyword(
+                        FilterKeywordId(1),
+                        FilterKeywordKeyword("keyword"),
+                        FilterMode.NONE
+                    )
+                ), userDetail
+            )
+        }
+
+    }
+
+    @Test
+    fun compileFilterで正規表現として表すことができるNONE() {
+        val filter = Filter(
+            id = FilterId(1),
+            userDetailId = UserDetailId(1),
+            name = FilterName("aiueo"),
+            filterContext = setOf(),
+            filterAction = FilterAction.HIDE,
+            filterKeywords = setOf(
+                FilterKeyword(
+                    FilterKeywordId(1),
+                    FilterKeywordKeyword("hoge"),
+                    FilterMode.NONE
+                )
+            )
+        )
+
+        kotlin.test.assertEquals("(hoge)", filter.compileFilter().pattern)
+
+    }
+
+    @Test
+    fun compileFilterで正規表現として表すことができるWHOLE_WORD() {
+        val filter = Filter(
+            id = FilterId(1),
+            userDetailId = UserDetailId(1),
+            name = FilterName("aiueo"),
+            filterContext = setOf(),
+            filterAction = FilterAction.HIDE,
+            filterKeywords = setOf(
+                FilterKeyword(
+                    FilterKeywordId(1),
+                    FilterKeywordKeyword("hoge"),
+                    FilterMode.WHOLE_WORD
+                )
+            )
+        )
+
+        kotlin.test.assertEquals("\\b(hoge)\\b", filter.compileFilter().pattern)
+
+    }
+
+    @Test
+    fun compileFilterで正規表現として表すことができるREGEX() {
+        val filter = Filter(
+            id = FilterId(1),
+            userDetailId = UserDetailId(1),
+            name = FilterName("aiueo"),
+            filterContext = setOf(),
+            filterAction = FilterAction.HIDE,
+            filterKeywords = setOf(
+                FilterKeyword(
+                    FilterKeywordId(1),
+                    FilterKeywordKeyword("hoge"),
+                    FilterMode.REGEX
+                )
+            )
+        )
+
+        kotlin.test.assertEquals("(hoge)", filter.compileFilter().pattern)
+
+    }
+
+    @Test
+    fun compileFilterで正規表現として表すことができる() {
+        val filter = Filter(
+            id = FilterId(1),
+            userDetailId = UserDetailId(1),
+            name = FilterName("aiueo"),
+            filterContext = setOf(),
+            filterAction = FilterAction.HIDE,
+            filterKeywords = setOf(
+                FilterKeyword(
+                    FilterKeywordId(1),
+                    FilterKeywordKeyword("hoge"),
+                    FilterMode.WHOLE_WORD
+                ),
+                FilterKeyword(
+                    FilterKeywordId(2),
+                    FilterKeywordKeyword("hoge"),
+                    FilterMode.REGEX
+                ),
+                FilterKeyword(
+                    FilterKeywordId(3),
+                    FilterKeywordKeyword("hoge"),
+                    FilterMode.NONE
+                )
+            )
+        )
+
+        kotlin.test.assertEquals("\\b(hoge)\\b|(hoge)|(hoge)", filter.compileFilter().pattern)
+
+    }
+}
+