From 58ae3d4176763af5ebb04481853f9db1a8d305bb Mon Sep 17 00:00:00 2001
From: Jaifroid <egk10@cam.ac.uk>
Date: Sat, 6 Apr 2019 16:59:14 +0100
Subject: [PATCH] Ensure highlighting is cleared when user empties field

Former-commit-id: d9c7cb92d82dd1b94fc7621ae58dda5dd6aa36fe [formerly 5e13078daecafbf8e549fdec1bc312058d6486f9]
Former-commit-id: c39cd7c6b8fb7306a702438084fd6006783499ee
---
 www/js/app.js | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/www/js/app.js b/www/js/app.js
index 3feb7e37..b3384058 100644
--- a/www/js/app.js
+++ b/www/js/app.js
@@ -336,15 +336,13 @@ define(['jquery', 'zimArchiveLoader', 'util', 'uiUtil', 'cookies', 'q', 'module'
                     window.clearTimeout(window.timeoutFIAKeyup);
                 }
                 window.timeoutFIAKeyup = window.setTimeout(function () {
-                    if (val && val.length > 0) {
-                        findInArticleInitiate(val);
-                    }
+                    findInArticleInitiate(val);
                 }, 500);
             };
             var findInArticleInitiate = function (val) {
                 //Ensure nothing happens if only one or two ASCII values have been entered (search is not specific enough) 
                 //if no value has been entered (clears highlighting if user deletes all values in search field)
-                if (!/^\s*[\w\s]{1,2}$/.test(val)) {
+                if (!/^\s*[A-Za-z\s]{1,2}$/.test(val)) {
                     localSearch.scrollFrom = 0;
                     localSearch.lastScrollValue = val;
                     localSearch.setMatchType('open');