From 785ef0fa63045f47fa3ed3a2b18d8d671cae4740 Mon Sep 17 00:00:00 2001
From: Lars Windolf <lars.windolf@gmx.de>
Date: Wed, 7 Aug 2024 17:00:21 +0200
Subject: [PATCH] Update Loki.md

---
 Cheat Sheets/kubernetes/Loki.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Cheat Sheets/kubernetes/Loki.md b/Cheat Sheets/kubernetes/Loki.md
index d6c0df191..0c7390678 100644
--- a/Cheat Sheets/kubernetes/Loki.md	
+++ b/Cheat Sheets/kubernetes/Loki.md	
@@ -12,3 +12,9 @@ Reduce log lines to exception names (without regex for Loki <2.4)
 
     {label="match"} |~ "Exception:" | json | line_format `{{ regexReplaceAll ".*\\s+(\\S*Exception):.*$" .message "${1}" }}`
 
+Extract a text part into a label for example exceptions:
+
+    {kubernetes_namespace_name="my-namespace-1"}
+    |= `Exception:`
+    | regexp "(?P<exception>\\w+Exception: [^\"]+)"
+    | label_format exception=`{{ .exception }}`