regexp weirdness (bug?)

Here's the session log: >>> _re_pair="(?(plus).|-)" >>> _re1=("(?P\+)"+_re_pair) >>> _re2=("((?P\+))"+_re_pair) >>> _re3=("(?:(?P\+))"+_re_pair) >>> _re4="(%s)"%_re3 >>> import re >>> print [re.match(_re, "+a") and 'match' for _re in [_re1, _re2, _re3, _re4]] ['match', None, 'match', None] this i

Re: regexp weirdness (bug?)

it's line #159 here, but it did work! thanks. so it IS a bug? -- http://mail.python.org/mailman/listinfo/python-list