1 files changed, 21 insertions, 0 deletions
diff --git a/ui/escape-selector.js b/ui/escape-selector.js
new file mode 100644
index 000000000..d43e4f816
--- /dev/null
+++ b/ui/escape-selector.js
@@ -0,0 +1,21 @@
+( function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define( [ "jquery", "./version" ], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+} ( function( $ ) {
+
+// Internal use only
+return $.ui.escapeSelector = ( function() {
+	var selectorEscape = /([!"#$%&'()*+,./:;<=>?@[\]^`{|}~])/g;
+	return function( selector ) {
+		return selector.replace( selectorEscape, "\\$1" );
+	};
+} )();
+
+} ) );