From 089d00b47e46af8ef4cb6ee7f54393351b22682b Mon Sep 17 00:00:00 2001
From: Alexander PapaTutuWawa <papatutuwawa@polynom.me>
Date: Wed, 15 Apr 2020 23:28:13 +0200
Subject: [PATCH] Move the RegExp compilation into the package

---
 bridge/xmpp/helpers.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/bridge/xmpp/helpers.go b/bridge/xmpp/helpers.go
index 97edf763..eb6a5366 100644
--- a/bridge/xmpp/helpers.go
+++ b/bridge/xmpp/helpers.go
@@ -6,12 +6,13 @@ import (
 	"github.com/42wim/matterbridge/bridge/config"
 )
 
+var pathRegex = regexp.MustCompile("[^a-zA-Z0-9]+")
+
 // GetAvatar constructs a URL for a given user-avatar if it is available in the cache.
 func getAvatar(av map[string]string, userid string, general *config.Protocol) string {
 	if hash, ok := av[userid]; ok {
 		// NOTE: This does not happen in bridge/helper/helper.go but messes up XMPP
-		reg := regexp.MustCompile("[^a-zA-Z0-9]+")
-		id := reg.ReplaceAllString(userid, "_")
+		id := pathRegex.ReplaceAllString(userid, "_")
 		return general.MediaServerDownload + "/" + hash + "/" + id + ".png"
 	}
 	return ""