From 32ff4796e1763405cff239f74498794fd4c44f76 Mon Sep 17 00:00:00 2001
From: "google-labs-jules[bot]"
 <161369871+google-labs-jules[bot]@users.noreply.github.com>
Date: Sun, 17 May 2026 00:36:55 +0000
Subject: [PATCH] Optimize string escaping in TestFileNamePatternParser

Co-authored-by: RoiSoleil <3462260+RoiSoleil@users.noreply.github.com>
---
 .../moreunit/core/matching/TestFileNamePatternParser.java | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/org.moreunit.core/src/org/moreunit/core/matching/TestFileNamePatternParser.java b/org.moreunit.core/src/org/moreunit/core/matching/TestFileNamePatternParser.java
index 12562bdd..20343389 100644
--- a/org.moreunit.core/src/org/moreunit/core/matching/TestFileNamePatternParser.java
+++ b/org.moreunit.core/src/org/moreunit/core/matching/TestFileNamePatternParser.java
@@ -14,8 +14,6 @@
 public class TestFileNamePatternParser
 {
     public static final String SRC_FILE_VARIABLE = "${srcFile}";
-    private static final Pattern CHARS_TO_ESCAPE = Pattern.compile("([\\*\\(\\)\\|])");
-
     private final String patternToParse;
     private final NameTokenizer tokenizer;
 
@@ -151,7 +149,11 @@ private UserDefinedPart(String str, String separator)
 
         private static String escapeCharsWhereNeeded(String str)
         {
-            return CHARS_TO_ESCAPE.matcher(str).replaceAll(quoteReplacement("\\$1"));
+            // PERFORMANCE: Use chained literal String.replace instead of regex Matcher.replaceAll
+            return str.replace("*", "\\*")
+                      .replace("(", "\\(")
+                      .replace(")", "\\)")
+                      .replace("|", "\\|");
         }
 
         private void parse()