Re: [Jython-users] help on simple regular expression?

[Brian Z. <bri...@ya...>]

c:\> jython
Jython 2.1a1 on java1.3.1 (JIT: null)
Type "copyright", "credits" or "license" for more information.
>>> import re
>>> s = "   Title: Ice Core Records"
>>> t = re.sub("^\(\s*\)Title", "\1Dataset_Title", s)
>>> t
'   Title: Ice Core Records'
>>> t = re.sub("^(?P<ident>\s*)Title", "\g<ident>Dataset_Title", s)
>>> t
'   Dataset_Title: Ice Core Records'

----- Original Message -----
From: "Chris Gokey" <cg...@gc...>
To: <jyt...@li...>
Sent: Tuesday, July 03, 2001 8:14 AM
Subject: [Jython-users] help on simple regular expression?


> Hi,
>
> I'm trying to use a regular expression that uses backreferences in python.
> Can someone tell me where I cam going wrong?
>
> [cgokey@cgokey cgokey]$ jython
> Jython 2.1a1 on java1.3.0 (JIT: jitc)
> Type "copyright", "credits" or "license" for more information.
> >>> import re
> >>> s = "   Title: Ice Core Records"
> >>> s = re.sub("^(\s*)Title","\1Dataset_Title",s);
> >>> s
> '\001Dataset_Title: Ice Core Records'
> >>> print s
> Dataset_Title: Ice Core Records
> >>>
>
> It looks like it isn't using the back reference?  The resulting output
> should be indented 3 spaces.
>
> Thanks,
> Chris
>
> --
>  __________________________________________________
> /\               \
> \_| Christopher D. Gokey, SSAI, NASA/GCMD          |
>   | 18 Martin Road, Shelburne Falls, MA  01370     |
>   | Phone: Voice (413) 625-8129 / FAX 208-248-9055 |
>   | cg...@gc... / http://gcmd.nasa.gov    |
>   | ICQ #52132386, AOL IM: chrisgokey              |
>   |   _____________________________________________|_
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>
>
>
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