More flexible normalisation

snscrape-normalise

@@ -13,7 +13,7 @@ do
 			errorUrls+=("${url}")
 			echo "${url}"
 		fi
-	elif [[ "${url}" =~ ^https?://twitter\.com/[^/]+$ ]]
+	elif [[ "${url}" =~ ^https?://(www\.)?twitter\.com/[^/]+$ ]]
 	then
 		user="$(snscrape --max-results 1 twitter-user "${url##*/}" | grep -Po '^https?://twitter\.com/\K[^/]+')"
 		if [[ "${user}" ]]
@@ -23,9 +23,11 @@ do
 			errorUrls+=("${url}")
 			echo "${url}"
 		fi
-	elif [[ "${url}" =~ ^https?://www\.instagram\.com/[^/]+/$ ]]
+	elif [[ "${url}" =~ ^https?://(www\.)?instagram\.com/[^/]+/?$ ]]
 	then
-		echo "${url,,}"
+		user="${url%/}"
+		user="${user##*/}"
+		echo "https://www.instagram.com/${user,,}/"
 	else
 		echo "${url}"
 	fi