--- rpy_tools.py	2006-07-28 13:12:02.000000000 +0100
+++ rpy_tools.py	2006-07-28 13:11:35.000000000 +0100
@@ -97,7 +97,7 @@
     if stat or len(output)<=0:
       raise RuntimeError("Couldn't execute the R interpreter" +
                          " `%s'.\n" % rexec )
-    version = re.search("R +([0-9]\.[0-9]\.[0-9])", output)
+    version = re.search("R version ([0-9]\.[0-9]\.[0-9])", output)
     if not version:
       raise RuntimeError("Couldn't obtain version number from output\n"
                                "of `R --version'.\n")