diff --git a/plugin/src/main/java/io/jenkins/plugins/analysis/warnings/groovy/GroovyParser.java b/plugin/src/main/java/io/jenkins/plugins/analysis/warnings/groovy/GroovyParser.java
index 4d38c2ed75..1a609f7769 100644
--- a/plugin/src/main/java/io/jenkins/plugins/analysis/warnings/groovy/GroovyParser.java
+++ b/plugin/src/main/java/io/jenkins/plugins/analysis/warnings/groovy/GroovyParser.java
@@ -86,7 +86,7 @@ public GroovyParser(final String id, final String name,
     }
 
     private static boolean containsNewline(final String expression) {
-        return StringUtils.contains(expression, "\\n") || StringUtils.contains(expression, "\\r");
+        return StringUtils.containsAny(expression, "\\n", "\\r", "\\R");
     }
 
     /**