reverse using Pattern

Author: shatzi

dd-java-agent/agent-debugger/src/main/java/com/datadog/debugger/probe/LogProbe.java

@@ -41,7 +41,6 @@
 import java.util.List;
 import java.util.Objects;
 import java.util.function.Consumer;
-import java.util.regex.Pattern;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -51,8 +50,6 @@ public class LogProbe extends ProbeDefinition {
   private static final Limits LIMITS = new Limits(1, 3, 8192, 5);
   private static final int LOG_MSG_LIMIT = 8192;
 
-  private static final Pattern SPLIT_WATCHES_PATTERN = Pattern.compile(",");
-
   /** Stores part of a templated message either a str or an expression */
   public static class Segment {
     private final String str;
@@ -340,7 +337,7 @@ private static List<ValueScript> parseWatchesFromTags(Tag[] tags) {
       if ("dd_watches_dsl".equals(tag.getKey())) {
         String ddWatches = tag.getValue();
         // this for POC only, parsing is not robust!
-        String[] splitWatches = SPLIT_WATCHES_PATTERN.split(ddWatches);
+        String[] splitWatches = ddWatches.split(",");
         for (String watchDef : splitWatches) {
           // remove curly braces
           String refPath = watchDef.substring(1, watchDef.length() - 1);