I normally like to make it absolutely unambiguous... A regex is hard to write, but...

diff --git a/wcfsetup/install/files/js/WCF.js b/wcfsetup/install/files/js/WCF.js
index 997baeece5be16daec5808a143865d504dbfafb2..c20ab7876cd4bedbb016e79761c395f030e21353 100755 (executable)
--- a/wcfsetup/install/files/js/WCF.js
+++ b/wcfsetup/install/files/js/WCF.js
@@ -2158,7 +2158,7 @@ WCF.Date.Picker = {
                // do the actual replacement
                // this is not perfect, but a basic implementation and should work in 99% of the cases
                // TODO: support literals (magics are escaped in PHP date() by an \, in jQuery UI DatePicker they are enclosed in '')
-               this._dateFormat = format.replace(/([^dDjlzFmMnoYyU\\]*(?:\\.[^dDjlzFmMnoYyU\\]*)*)([dDjlzFmMnoYyU]{1})/g, function(match, part1, part2, offset, string) {
+               this._dateFormat = format.replace(/([^dDjlzFmMnoYyU\\]*(?:\\.[^dDjlzFmMnoYyU\\]*)*)([dDjlzFmMnoYyU])/g, function(match, part1, part2, offset, string) {
                        $.each(replacementTable, function(key, item) {
                                if(part2 == key) {
                                        part2 = item;