diff --git a/shenyu-plugin/shenyu-plugin-ai/shenyu-plugin-ai-request-transformer/src/main/java/org/apache/shenyu/plugin/ai/transformer/request/AiRequestTransformerPlugin.java b/shenyu-plugin/shenyu-plugin-ai/shenyu-plugin-ai-request-transformer/src/main/java/org/apache/shenyu/plugin/ai/transformer/request/AiRequestTransformerPlugin.java
index 0dc6b3bcfb10..129c80e54f95 100644
--- a/shenyu-plugin/shenyu-plugin-ai/shenyu-plugin-ai-request-transformer/src/main/java/org/apache/shenyu/plugin/ai/transformer/request/AiRequestTransformerPlugin.java
+++ b/shenyu-plugin/shenyu-plugin-ai/shenyu-plugin-ai-request-transformer/src/main/java/org/apache/shenyu/plugin/ai/transformer/request/AiRequestTransformerPlugin.java
@@ -55,6 +55,7 @@
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
+import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -65,6 +66,10 @@ public class AiRequestTransformerPlugin extends AbstractShenyuPlugin {
 
     private static final Logger LOG = LoggerFactory.getLogger(AiRequestTransformerPlugin.class);
 
+    private static final Pattern REQUEST_LINE_PATTERN = Pattern.compile("^(GET|POST|PUT|DELETE|PATCH|OPTIONS|HEAD)\\s.*\\sHTTP/1.1$");
+
+    private static final Pattern REQUEST_PATH_PATTERN = Pattern.compile("^/[a-zA-Z0-9/_\\-]*$");
+
     private final List<HttpMessageReader<?>> messageReaders;
 
     private final AiModelFactoryRegistry aiModelFactoryRegistry;
@@ -247,7 +252,7 @@ private static Mono<ServerWebExchange> rewriteRequestPath(final ServerWebExchang
             return Mono.just(exchange);
         }
 
-        if (!newPath.matches("^/[a-zA-Z0-9/_\\-]*$")) {
+        if (!REQUEST_PATH_PATTERN.matcher(newPath).matches()) {
             LOG.warn("Extracted path contains invalid characters: {}, Will continue to use the original path.", newPath);
             return Mono.just(exchange);
         }
@@ -283,7 +288,7 @@ static HttpHeaders extractHeadersFromAiResponse(final String aiResponse) {
             boolean headerSectionStarted = false;
             while (Objects.nonNull(line = reader.readLine())) {
                 if (!headerSectionStarted) {
-                    if (line.startsWith("HTTP/1.1") || line.matches("^(GET|POST|PUT|DELETE|PATCH|OPTIONS|HEAD)\\s.*\\sHTTP/1.1$")) {
+                    if (line.startsWith("HTTP/1.1") || REQUEST_LINE_PATTERN.matcher(line).matches()) {
                         headerSectionStarted = true;
                         continue;
                     }
diff --git a/shenyu-plugin/shenyu-plugin-ai/shenyu-plugin-ai-response-transformer/src/main/java/org/apache/shenyu/plugin/ai/transformer/response/AiResponseTransformerPlugin.java b/shenyu-plugin/shenyu-plugin-ai/shenyu-plugin-ai-response-transformer/src/main/java/org/apache/shenyu/plugin/ai/transformer/response/AiResponseTransformerPlugin.java
index 8718bc1b3b09..d7946a3ec69f 100644
--- a/shenyu-plugin/shenyu-plugin-ai/shenyu-plugin-ai-response-transformer/src/main/java/org/apache/shenyu/plugin/ai/transformer/response/AiResponseTransformerPlugin.java
+++ b/shenyu-plugin/shenyu-plugin-ai/shenyu-plugin-ai-response-transformer/src/main/java/org/apache/shenyu/plugin/ai/transformer/response/AiResponseTransformerPlugin.java
@@ -57,6 +57,7 @@
 import java.util.List;
 import java.util.Objects;
 import java.util.Optional;
+import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 import java.util.zip.GZIPInputStream;
@@ -72,6 +73,8 @@ public class AiResponseTransformerPlugin extends AbstractShenyuPlugin {
 
     private static final Logger LOG = LoggerFactory.getLogger(AiResponseTransformerPlugin.class);
 
+    private static final Pattern REQUEST_LINE_PATTERN = Pattern.compile("^(GET|POST|PUT|DELETE|PATCH|OPTIONS|HEAD)\\s.*\\sHTTP/1.1$");
+
     private final List<HttpMessageReader<?>> messageReaders;
 
     private final AiModelFactoryRegistry aiModelFactoryRegistry;
@@ -259,7 +262,7 @@ static HttpHeaders extractHeadersFromAiResponse(final String aiResponse) {
                 boolean headerSectionStarted = false;
                 while (Objects.nonNull(line = reader.readLine())) {
                     if (!headerSectionStarted) {
-                        if (line.startsWith("HTTP/1.1") || line.matches("^(GET|POST|PUT|DELETE|PATCH|OPTIONS|HEAD)\\s.*\\sHTTP/1.1$")) {
+                        if (line.startsWith("HTTP/1.1") || REQUEST_LINE_PATTERN.matcher(line).matches()) {
                             headerSectionStarted = true;
                             continue;
                         }