From e9631211a209da2db21f94d9e1ee69e2fa01934c Mon Sep 17 00:00:00 2001
From: Matthew Grove <me@mgrove.uk>
Date: Sat, 23 Oct 2021 14:43:54 +0100
Subject: [PATCH] [FIX] ensure punctuation is ignored correctly

---
 functions/index.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/functions/index.js b/functions/index.js
index 73c4732..f4577c0 100644
--- a/functions/index.js
+++ b/functions/index.js
@@ -458,7 +458,7 @@ function arraysHaveSameMembers(arr1, arr2) {
  * @return {string} The original string with the unwanted characters removed.
  */
 function cleanseVocabString(item) {
-	const chars = /[ °"§%()\[\]{}=\\?´`'#<>|,;.:+_-]+/g;
+	const chars = /[ °"§%()\[\]{}=\\?´`'#<>|,;.:+_-!£$^&*~/]+/g;
 	return item.replace(chars, "");
 }
 
@@ -527,7 +527,7 @@ exports.processAnswer = functions.https.onCall((data, context) => {
 				const mode = docData.mode;
 				const correctAnswers = answerDoc.data().item;
 				const splitCorrectAnswers = correctAnswers.split("/");
-				const cleansedSplitCorrectAnswers = cleanseVocabString(correctAnswers).split("/");
+				const cleansedSplitCorrectAnswers = splitCorrectAnswers.map((answer) => cleanseVocabString(answer));
 				const cleansedInputAnswer = cleanseVocabString(inputAnswer);
 
 				let isCorrectAnswer = false;