1 files changed, 3 insertions, 0 deletions
diff --git a/public/js/util.js b/public/js/util.js
index 12a331a..e51b844 100644
--- a/public/js/util.js
+++ b/public/js/util.js
@@ -1,6 +1,9 @@
 function trim (s) {
 	return s.replace(/^\s+/, "").replace(/\s+$/, "");
 }
+function strip (s) {
+	return trim(s).replace(/\W+/, "");
+}
 function sanitize (s) {
 	return s.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;").replace(/\"/g, "&quot;");
 }