--- a/dwt/dwthelper/utils.d	Mon Feb 04 14:53:27 2008 +0100
+++ b/dwt/dwthelper/utils.d	Mon Feb 04 15:39:21 2008 +0100
@@ -62,6 +62,9 @@
 bool CharacterIsWhitespace( dchar c ){
     return tango.text.Unicode.isWhitespace( c );
 }
+bool CharacterIsDigit( dchar c ){
+    return tango.text.Unicode.isDigit( c );
+}
 
 public int indexOf( char[] str, char searched ){
     int res = tango.text.Util.locate( str, searched );
@@ -75,6 +78,10 @@
     return res;
 }
 
+public int indexOf(char[] str, char[] ch){
+    return indexOf( str, ch, 0 );
+}
+
 public int indexOf(char[] str, char[] ch, int start){
     int res = tango.text.Util.locatePattern( str, ch, start );
     if( res is str.length ) res = -1;