diff --git a/src/main/java/ru/serega6531/packmate/model/Pattern.java b/src/main/java/ru/serega6531/packmate/model/Pattern.java
index bbff213..612c777 100644
--- a/src/main/java/ru/serega6531/packmate/model/Pattern.java
+++ b/src/main/java/ru/serega6531/packmate/model/Pattern.java
@@ -4,7 +4,8 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.Data;
 import lombok.ToString;
 import org.hibernate.annotations.GenericGenerator;
-import ru.serega6531.packmate.model.enums.PatternType;
+import ru.serega6531.packmate.model.enums.PatternDirectionType;
+import ru.serega6531.packmate.model.enums.PatternSearchType;
 
 import javax.persistence.*;
 import java.util.List;
@@ -33,9 +34,9 @@ public class Pattern {
 
     private String color;  // для вставки в css
 
-    private boolean isRegex;
+    private PatternSearchType searchType;
 
-    private PatternType type;
+    private PatternDirectionType directionType;
 
     @ManyToMany(mappedBy = "foundPatterns", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
     @JsonIgnore
diff --git a/src/main/java/ru/serega6531/packmate/model/enums/PatternType.java b/src/main/java/ru/serega6531/packmate/model/enums/PatternDirectionType.java
similarity index 66%
rename from src/main/java/ru/serega6531/packmate/model/enums/PatternType.java
rename to src/main/java/ru/serega6531/packmate/model/enums/PatternDirectionType.java
index 8a2e1f5..2c22c88 100644
--- a/src/main/java/ru/serega6531/packmate/model/enums/PatternType.java
+++ b/src/main/java/ru/serega6531/packmate/model/enums/PatternDirectionType.java
@@ -1,5 +1,5 @@
 package ru.serega6531.packmate.model.enums;
 
-public enum PatternType {
+public enum PatternDirectionType {
     INPUT, OUTPUT, BOTH
 }
diff --git a/src/main/java/ru/serega6531/packmate/model/enums/PatternSearchType.java b/src/main/java/ru/serega6531/packmate/model/enums/PatternSearchType.java
new file mode 100644
index 0000000..b299e77
--- /dev/null
+++ b/src/main/java/ru/serega6531/packmate/model/enums/PatternSearchType.java
@@ -0,0 +1,5 @@
+package ru.serega6531.packmate.model.enums;
+
+public enum PatternSearchType {
+    REGEX, SUBSTRING, SUBBYTES
+}
diff --git a/src/main/java/ru/serega6531/packmate/model/enums/SubscriptionMessageType.java b/src/main/java/ru/serega6531/packmate/model/enums/SubscriptionMessageType.java
index 62c286b..af46d09 100644
--- a/src/main/java/ru/serega6531/packmate/model/enums/SubscriptionMessageType.java
+++ b/src/main/java/ru/serega6531/packmate/model/enums/SubscriptionMessageType.java
@@ -1,7 +1,5 @@
 package ru.serega6531.packmate.model.enums;
 
 public enum SubscriptionMessageType {
-
     SAVE_SERVICE, SAVE_PATTERN, DELETE_SERVICE, DELETE_PATTERN, NEW_STREAM
-
 }
diff --git a/src/main/java/ru/serega6531/packmate/repository/PatternRepository.java b/src/main/java/ru/serega6531/packmate/repository/PatternRepository.java
index bab2442..4cdf665 100644
--- a/src/main/java/ru/serega6531/packmate/repository/PatternRepository.java
+++ b/src/main/java/ru/serega6531/packmate/repository/PatternRepository.java
@@ -2,12 +2,12 @@ package ru.serega6531.packmate.repository;
 
 import org.springframework.data.jpa.repository.JpaRepository;
 import ru.serega6531.packmate.model.Pattern;
-import ru.serega6531.packmate.model.enums.PatternType;
+import ru.serega6531.packmate.model.enums.PatternDirectionType;
 
 import java.util.List;
 
 public interface PatternRepository extends JpaRepository<Pattern, Integer> {
 
-    List<Pattern> findAllByTypeEqualsOrTypeEquals(PatternType type, PatternType both);
+    List<Pattern> findAllByTypeEqualsOrTypeEquals(PatternDirectionType type, PatternDirectionType both);
 
 }
diff --git a/src/main/java/ru/serega6531/packmate/service/PatternService.java b/src/main/java/ru/serega6531/packmate/service/PatternService.java
index 170ecef..ba003c1 100644
--- a/src/main/java/ru/serega6531/packmate/service/PatternService.java
+++ b/src/main/java/ru/serega6531/packmate/service/PatternService.java
@@ -8,8 +8,9 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import ru.serega6531.packmate.model.FoundPattern;
 import ru.serega6531.packmate.model.Pattern;
-import ru.serega6531.packmate.model.enums.PatternType;
+import ru.serega6531.packmate.model.enums.PatternDirectionType;
 import ru.serega6531.packmate.model.Stream;
+import ru.serega6531.packmate.model.enums.PatternSearchType;
 import ru.serega6531.packmate.model.enums.SubscriptionMessageType;
 import ru.serega6531.packmate.model.pojo.SubscriptionMessage;
 import ru.serega6531.packmate.repository.PatternRepository;
@@ -53,8 +54,8 @@ public class PatternService {
         String content = new String(bytes);
 
         return patterns.values().stream()
-                .filter(p -> p.getType() == (incoming ? PatternType.INPUT : PatternType.OUTPUT)
-                        || p.getType() == PatternType.BOTH)
+                .filter(p -> p.getDirectionType() == (incoming ? PatternDirectionType.INPUT : PatternDirectionType.OUTPUT)
+                        || p.getDirectionType() == PatternDirectionType.BOTH)
                 .map(pattern -> match(pattern, content))
                 .flatMap(List::stream)
                 .collect(Collectors.toSet());
@@ -63,7 +64,7 @@ public class PatternService {
     private List<FoundPattern> match(Pattern pattern, String content) {
         List<FoundPattern> found = new ArrayList<>();
 
-        if (pattern.isRegex()) {
+        if (pattern.getSearchType() == PatternSearchType.REGEX) {
             final java.util.regex.Pattern regex = compilePattern(pattern);
             final Matcher matcher = regex.matcher(content);
 
@@ -76,7 +77,7 @@ public class PatternService {
             }
 
             return found;
-        } else {
+        } else if (pattern.getSearchType() == PatternSearchType.SUBSTRING) {
             int startSearch = 0;
 
             final String value = pattern.getValue();
@@ -96,6 +97,9 @@ public class PatternService {
 
                 startSearch = end + 1;
             }
+        } else {  // SUBBYTES
+            // TODO
+            return found;
         }
     }