From 9a224f2b5c18f903bcc776eb51955505d0ce148f Mon Sep 17 00:00:00 2001
From: Aleric Inglewood <Aleric.Inglewood@gmail.com>
Date: Wed, 22 Jun 2011 01:22:52 +0200
Subject: [PATCH] Fix to problems with regex characters in group names.

Stolen from
https://bitbucket.org/squire_linden/viewer-dev-chop-662/changeset/6f971899f351
---
 indra/llvfs/lldiriterator.cpp | 11 ++++++++---
 indra/newview/lllogchat.cpp   |  2 +-
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/indra/llvfs/lldiriterator.cpp b/indra/llvfs/lldiriterator.cpp
index 9434efd40..cef016e0c 100644
--- a/indra/llvfs/lldiriterator.cpp
+++ b/indra/llvfs/lldiriterator.cpp
@@ -142,9 +142,6 @@ std::string glob_to_regex(const std::string& glob)
 
 		switch (c)
 		{
-			case '.':
-				regex+="\\.";
-				break;
 			case '*':
 				if (glob.begin() == i)
 				{
@@ -177,6 +174,14 @@ std::string glob_to_regex(const std::string& glob)
 			case '!':
 				regex+= square_brace_open ? '^' : c;
 				break;
+			case '.':	// This collection have different regex meaning
+			case '^':	// And so need escaping
+			case '(':
+			case ')':
+			case '+':
+			case '|':
+			case '$':
+				regex+='\\';
 			default:
 				regex+=c;
 				break;
diff --git a/indra/newview/lllogchat.cpp b/indra/newview/lllogchat.cpp
index cf52896e8..574d70f4b 100644
--- a/indra/newview/lllogchat.cpp
+++ b/indra/newview/lllogchat.cpp
@@ -66,7 +66,7 @@ std::string LLLogChat::makeLogFileName(std::string filename)
 
 std::string LLLogChat::cleanFileName(std::string filename)
 {
-	std::string invalidChars = "\"\'\\/?*:<>|";
+	std::string invalidChars = "\"\'\\/?*:<>|[]{}~"; // Cannot match glob or illegal filename chars
 	S32 position = filename.find_first_of(invalidChars);
 	while (position != filename.npos)
 	{