diff --git a/band-plan.html b/band-plan.html
index 85a3e9a..69eee83 100644
--- a/band-plan.html
+++ b/band-plan.html
@@ -103,6 +103,9 @@ div>label {
 				} else {
 					return true;
 				}
+			} else if (headerValue.startsWith("/") && headerValue.endsWith("/") && (headerValue.length > 1)) {
+				// filter regex
+				return RegExp(headerValue.toString().slice(1).slice(0,-1)).test(rowValue);
 			} else {
 				// filter normal
 				if (typeof rowValue !== "undefined") {