v1.1 regex fix (#409)

prefsCleaner.sh

@@ -2,7 +2,7 @@
 
 ## prefs.js cleaner for Linux/Mac
 ## author: @claustromaniac
-## version: 1.0
+## version: 1.1
 
 ## special thanks to @overdodactyl and @earthlng for a few snippets that I stol..*cough* borrowed from the updater.sh
 
@@ -36,7 +36,7 @@ fFF_check() {
 fClean() {
 	# the magic happens here
 	prefs="@@"
-	prefexp="user_pref[ 	]*\([ 	]*[\"']([^\"']*)[\"'][ 	]*,"
+	prefexp="user_pref[ 	]*\([ 	]*[\"']([^\"']+)[\"'][ 	]*,"
 	while read -r line; do
 		if [[ "$line" =~ $prefexp && $prefs != *"@@${BASH_REMATCH[1]}@@"* ]]; then
 			prefs="${prefs}${BASH_REMATCH[1]}@@"
@@ -58,7 +58,7 @@ echo -e "\n\n"
 echo "                   ╔══════════════════════════╗"
 echo "                   ║     prefs.js cleaner     ║"
 echo "                   ║    by claustromaniac     ║"
-echo "                   ║           v1.0           ║"
+echo "                   ║           v1.1           ║"
 echo "                   ╚══════════════════════════╝"
 echo -e "\nThis script should be run from your Firefox profile directory.\n"
 echo "It will remove any entries from prefs.js that also exist in user.js."