From 5f0c3f506250d6bdc1132eb21e3e9993cc3b8f6a Mon Sep 17 00:00:00 2001
From: martin-mfg <2026226+martin-mfg@users.noreply.github.com>
Date: Wed, 30 Apr 2025 10:32:58 +0200
Subject: [PATCH] optimize regex

---
 .../resources/Java/libraries/okhttp-gson/ApiClient.mustache     | 2 +-
 .../src/main/resources/Java/libraries/vertx/ApiClient.mustache  | 2 +-
 .../src/main/java/org/openapitools/client/ApiClient.java        | 2 +-
 .../src/main/java/org/openapitools/client/ApiClient.java        | 2 +-
 .../src/main/java/org/openapitools/client/ApiClient.java        | 2 +-
 .../src/main/java/org/openapitools/client/ApiClient.java        | 2 +-
 .../src/main/java/org/openapitools/client/ApiClient.java        | 2 +-
 .../src/main/java/org/openapitools/client/ApiClient.java        | 2 +-
 .../src/main/java/org/openapitools/client/ApiClient.java        | 2 +-
 .../src/main/java/org/openapitools/client/ApiClient.java        | 2 +-
 .../src/main/java/org/openapitools/client/ApiClient.java        | 2 +-
 .../src/main/java/org/openapitools/client/ApiClient.java        | 2 +-
 .../src/main/java/org/openapitools/client/ApiClient.java        | 2 +-
 .../src/main/java/org/openapitools/client/ApiClient.java        | 2 +-
 .../src/main/java/org/openapitools/client/ApiClient.java        | 2 +-
 .../src/main/java/org/openapitools/client/ApiClient.java        | 2 +-
 .../src/main/java/org/openapitools/client/ApiClient.java        | 2 +-
 .../src/main/java/org/openapitools/client/ApiClient.java        | 2 +-
 .../src/main/java/org/openapitools/client/ApiClient.java        | 2 +-
 .../vertx/src/main/java/org/openapitools/client/ApiClient.java  | 2 +-
 20 files changed, 20 insertions(+), 20 deletions(-)

diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/ApiClient.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/ApiClient.mustache
index cb02b627ba1d..c0adfb45103b 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/ApiClient.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/ApiClient.mustache
@@ -1056,7 +1056,7 @@ public class ApiClient {
      * @return The sanitized filename
      */
     public String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/vertx/ApiClient.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/vertx/ApiClient.mustache
index 1a90c571b7ba..88eff06f535e 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/vertx/ApiClient.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/vertx/ApiClient.mustache
@@ -543,7 +543,7 @@ public class ApiClient{{#jsr310}} extends JavaTimeFormatter{{/jsr310}} {
      * @return The sanitized filename
      */
     protected String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/echo_api/java/okhttp-gson-user-defined-templates/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/echo_api/java/okhttp-gson-user-defined-templates/src/main/java/org/openapitools/client/ApiClient.java
index d3a2450adb70..9c6973e2b84e 100644
--- a/samples/client/echo_api/java/okhttp-gson-user-defined-templates/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/echo_api/java/okhttp-gson-user-defined-templates/src/main/java/org/openapitools/client/ApiClient.java
@@ -896,7 +896,7 @@ public String collectionPathParameterToString(String collectionFormat, Collectio
      * @return The sanitized filename
      */
     public String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/echo_api/java/okhttp-gson/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/echo_api/java/okhttp-gson/src/main/java/org/openapitools/client/ApiClient.java
index ef966c242162..2de7ded3ac38 100644
--- a/samples/client/echo_api/java/okhttp-gson/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/echo_api/java/okhttp-gson/src/main/java/org/openapitools/client/ApiClient.java
@@ -826,7 +826,7 @@ public String collectionPathParameterToString(String collectionFormat, Collectio
      * @return The sanitized filename
      */
     public String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/others/java/okhttp-gson-oneOf-array/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/others/java/okhttp-gson-oneOf-array/src/main/java/org/openapitools/client/ApiClient.java
index 713058f4241e..8125ddff1ef8 100644
--- a/samples/client/others/java/okhttp-gson-oneOf-array/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/others/java/okhttp-gson-oneOf-array/src/main/java/org/openapitools/client/ApiClient.java
@@ -800,7 +800,7 @@ public String collectionPathParameterToString(String collectionFormat, Collectio
      * @return The sanitized filename
      */
     public String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/others/java/okhttp-gson-oneOf/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/others/java/okhttp-gson-oneOf/src/main/java/org/openapitools/client/ApiClient.java
index 70ad8d5e2759..60eda87040f9 100644
--- a/samples/client/others/java/okhttp-gson-oneOf/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/others/java/okhttp-gson-oneOf/src/main/java/org/openapitools/client/ApiClient.java
@@ -800,7 +800,7 @@ public String collectionPathParameterToString(String collectionFormat, Collectio
      * @return The sanitized filename
      */
     public String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/others/java/okhttp-gson-streaming/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/others/java/okhttp-gson-streaming/src/main/java/org/openapitools/client/ApiClient.java
index 964594c5668a..4dff0f30741b 100644
--- a/samples/client/others/java/okhttp-gson-streaming/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/others/java/okhttp-gson-streaming/src/main/java/org/openapitools/client/ApiClient.java
@@ -800,7 +800,7 @@ public String collectionPathParameterToString(String collectionFormat, Collectio
      * @return The sanitized filename
      */
     public String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/petstore/java/okhttp-gson-3.1-duplicated-operationid/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/petstore/java/okhttp-gson-3.1-duplicated-operationid/src/main/java/org/openapitools/client/ApiClient.java
index d3a2450adb70..9c6973e2b84e 100644
--- a/samples/client/petstore/java/okhttp-gson-3.1-duplicated-operationid/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/okhttp-gson-3.1-duplicated-operationid/src/main/java/org/openapitools/client/ApiClient.java
@@ -896,7 +896,7 @@ public String collectionPathParameterToString(String collectionFormat, Collectio
      * @return The sanitized filename
      */
     public String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/petstore/java/okhttp-gson-3.1/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/petstore/java/okhttp-gson-3.1/src/main/java/org/openapitools/client/ApiClient.java
index d3a2450adb70..9c6973e2b84e 100644
--- a/samples/client/petstore/java/okhttp-gson-3.1/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/okhttp-gson-3.1/src/main/java/org/openapitools/client/ApiClient.java
@@ -896,7 +896,7 @@ public String collectionPathParameterToString(String collectionFormat, Collectio
      * @return The sanitized filename
      */
     public String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/petstore/java/okhttp-gson-awsv4signature/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/petstore/java/okhttp-gson-awsv4signature/src/main/java/org/openapitools/client/ApiClient.java
index 72acada3e0b2..e5e0a8276c5e 100644
--- a/samples/client/petstore/java/okhttp-gson-awsv4signature/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/okhttp-gson-awsv4signature/src/main/java/org/openapitools/client/ApiClient.java
@@ -916,7 +916,7 @@ public String collectionPathParameterToString(String collectionFormat, Collectio
      * @return The sanitized filename
      */
     public String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/java/org/openapitools/client/ApiClient.java
index a0773b311e66..8594ddfc4a91 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/java/org/openapitools/client/ApiClient.java
@@ -901,7 +901,7 @@ public String collectionPathParameterToString(String collectionFormat, Collectio
      * @return The sanitized filename
      */
     public String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/petstore/java/okhttp-gson-group-parameter/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/petstore/java/okhttp-gson-group-parameter/src/main/java/org/openapitools/client/ApiClient.java
index d3a2450adb70..9c6973e2b84e 100644
--- a/samples/client/petstore/java/okhttp-gson-group-parameter/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/okhttp-gson-group-parameter/src/main/java/org/openapitools/client/ApiClient.java
@@ -896,7 +896,7 @@ public String collectionPathParameterToString(String collectionFormat, Collectio
      * @return The sanitized filename
      */
     public String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/petstore/java/okhttp-gson-nullable-required/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/petstore/java/okhttp-gson-nullable-required/src/main/java/org/openapitools/client/ApiClient.java
index c60a00845859..f4823fbedcfd 100644
--- a/samples/client/petstore/java/okhttp-gson-nullable-required/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/okhttp-gson-nullable-required/src/main/java/org/openapitools/client/ApiClient.java
@@ -899,7 +899,7 @@ public String collectionPathParameterToString(String collectionFormat, Collectio
      * @return The sanitized filename
      */
     public String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/ApiClient.java
index 1f9bfe3556f0..48a4e9abdf45 100644
--- a/samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/ApiClient.java
@@ -902,7 +902,7 @@ public String collectionPathParameterToString(String collectionFormat, Collectio
      * @return The sanitized filename
      */
     public String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/petstore/java/okhttp-gson-swagger1/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/petstore/java/okhttp-gson-swagger1/src/main/java/org/openapitools/client/ApiClient.java
index d3a2450adb70..9c6973e2b84e 100644
--- a/samples/client/petstore/java/okhttp-gson-swagger1/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/okhttp-gson-swagger1/src/main/java/org/openapitools/client/ApiClient.java
@@ -896,7 +896,7 @@ public String collectionPathParameterToString(String collectionFormat, Collectio
      * @return The sanitized filename
      */
     public String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/petstore/java/okhttp-gson-swagger2/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/petstore/java/okhttp-gson-swagger2/src/main/java/org/openapitools/client/ApiClient.java
index d3a2450adb70..9c6973e2b84e 100644
--- a/samples/client/petstore/java/okhttp-gson-swagger2/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/okhttp-gson-swagger2/src/main/java/org/openapitools/client/ApiClient.java
@@ -896,7 +896,7 @@ public String collectionPathParameterToString(String collectionFormat, Collectio
      * @return The sanitized filename
      */
     public String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/ApiClient.java
index c2b80fabbc03..a9df65b11b76 100644
--- a/samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/ApiClient.java
@@ -970,7 +970,7 @@ public String collectionPathParameterToString(String collectionFormat, Collectio
      * @return The sanitized filename
      */
     public String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/petstore/java/vertx-no-nullable/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/petstore/java/vertx-no-nullable/src/main/java/org/openapitools/client/ApiClient.java
index 9ea4539529e1..4c2cac75a547 100644
--- a/samples/client/petstore/java/vertx-no-nullable/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/vertx-no-nullable/src/main/java/org/openapitools/client/ApiClient.java
@@ -541,7 +541,7 @@ private String buildCookieHeader(MultiMap cookies) {
      * @return The sanitized filename
      */
     protected String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/petstore/java/vertx-supportVertxFuture/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/petstore/java/vertx-supportVertxFuture/src/main/java/org/openapitools/client/ApiClient.java
index 91b8b4a5dc0a..b2b12c054553 100644
--- a/samples/client/petstore/java/vertx-supportVertxFuture/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/vertx-supportVertxFuture/src/main/java/org/openapitools/client/ApiClient.java
@@ -545,7 +545,7 @@ private String buildCookieHeader(MultiMap cookies) {
      * @return The sanitized filename
      */
     protected String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**
diff --git a/samples/client/petstore/java/vertx/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/petstore/java/vertx/src/main/java/org/openapitools/client/ApiClient.java
index 91b8b4a5dc0a..b2b12c054553 100644
--- a/samples/client/petstore/java/vertx/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/vertx/src/main/java/org/openapitools/client/ApiClient.java
@@ -545,7 +545,7 @@ private String buildCookieHeader(MultiMap cookies) {
      * @return The sanitized filename
      */
     protected String sanitizeFilename(String filename) {
-        return filename.replaceAll(".*[/\\\\]", "");
+        return filename.replaceFirst("^.*[/\\\\]", "");
     }
 
     /**