From db5a0d5419cdbfc8c02f9e46318897787415c629 Mon Sep 17 00:00:00 2001
From: Chris Wisdo <chris@gnaritas.com>
Date: Mon, 15 Jul 2019 14:18:07 -0400
Subject: [PATCH] Fixes select2 bug from RegEx escaped values

Escaped values are needed for tablesorter filter, but unescaped values should be used in other contexts. (e.g., "a or b", "a/b")
---
 js/widgets/widget-filter-formatter-select2.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/js/widgets/widget-filter-formatter-select2.js b/js/widgets/widget-filter-formatter-select2.js
index 4a6816b6..65669de2 100644
--- a/js/widgets/widget-filter-formatter-select2.js
+++ b/js/widgets/widget-filter-formatter-select2.js
@@ -65,17 +65,18 @@
 				v = v.join('\u0000');
 			}
 			// escape special regex characters (http://stackoverflow.com/a/9310752/145346)
-			v = v.replace(/[-[\]{}()*+?.,/\\^$|#]/g, '\\$&');
+			var v_escape = v.replace(/[-[\]{}()*+?.,/\\^$|#]/g, '\\$&');
 			// convert string back into an array
 			if (arry) {
 				v = v.split('\u0000');
+				v_escape =  v_escape.split('\u0000');
 			}
 			if (!ts.isEmptyObject($cell.find('.select2').data())) {
 				$input
 					// add regex, so we filter exact numbers
 					.val(
-						$.isArray(v) && v.length && v.join('') !== '' ?
-							'/(' + matchPrefix + (v || []).join(matchSuffix + '|' + matchPrefix) + matchSuffix + ')/' + flags :
+						$.isArray(v_escape) && v_escape.length && v_escape.join('') !== '' ?
+							'/(' + matchPrefix + (v_escape || []).join(matchSuffix + '|' + matchPrefix) + matchSuffix + ')/' + flags :
 							''
 					)
 					.trigger('search');