From 1bc5a5804bf9fc22e82a4eadb21a1795954f0867 Mon Sep 17 00:00:00 2001
From: Sven Nierlein <Sven.Nierlein@consol.de>
Date: Wed, 31 May 2023 09:11:30 +0200
Subject: [PATCH] filter: check for numbers first

---
 lib/Thruk/Utils/Filter.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Thruk/Utils/Filter.pm b/lib/Thruk/Utils/Filter.pm
index f524821934..2ac8d86086 100644
--- a/lib/Thruk/Utils/Filter.pm
+++ b/lib/Thruk/Utils/Filter.pm
@@ -1825,6 +1825,7 @@ returns number as used in human performance data table
 =cut
 sub format_perf_number {
     my($number, $unit, $always_show_unit) = @_;
+    return $number unless($number && $number =~ m/^[\d\.]+/mx);
     if($number != 0 && $unit eq "B") {
         my($reduced_number, $reduced_unit) = Thruk::Utils::reduce_number($number, $unit);
         if($always_show_unit || $reduced_unit ne $unit) {