import re
comment = """
/*
other comment
*/
/*
******************************************************************
$Log: oldfile.c,v $
Revision 11.4 2000/01/20 19:01:41 userid
blah blah blah
*/
"""
result = re.sub(r"/\*\s+\*+\s+\$Log.*?\*/", "", comment , 0, re.DOTALL)
print result
aW1wb3J0IHJlCmNvbW1lbnQgPSAiIiIKLyogCm90aGVyIGNvbW1lbnQKKi8KCi8qCioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKgokTG9nOiBvbGRmaWxlLmMsdiAkClJldmlzaW9uIDExLjQgIDIwMDAvMDEvMjAgMTk6MDE6NDEgIHVzZXJpZApibGFoIGJsYWggYmxhaAoKKi8KIiIiCgpyZXN1bHQgPSByZS5zdWIociIvXCpccytcKitccytcJExvZy4qP1wqLyIsICIiLCBjb21tZW50ICwgMCwgcmUuRE9UQUxMKQpwcmludCByZXN1bHQg