From bbcb30140c7638c8db09ed1494d84c223ed000c8 Mon Sep 17 00:00:00 2001
From: Vitaliy Filippov <vitalif@yourcmc.ru>
Date: Wed, 21 Aug 2019 15:29:09 +0300
Subject: [PATCH] Add regex_escape() TT function

---
 Bugzilla/Template.pm | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Bugzilla/Template.pm b/Bugzilla/Template.pm
index 2555e2144..adea2e86a 100644
--- a/Bugzilla/Template.pm
+++ b/Bugzilla/Template.pm
@@ -956,6 +956,21 @@ sub create
             # html_quote in the form of a function
             html => \&html_quote,
 
+            # escape regular expression characters
+            regex_escape => sub
+            {
+                my ($s) = @_;
+                return "\Q$s\E";
+            },
+
+            # escape regular expression replacement characters
+            replacement_escape => sub
+            {
+                my ($s) = @_;
+                $s =~ s/([\\\$])/\\$1/gso;
+                return $s;
+            },
+
             # HTML <select>
             # html_select(name, <selected value>, <values>, [<value names>], [<attr_hash>])
             #   <values> may be one of: