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Python Error Invalid Group Reference

Nested apply function at a list How can I Improve gameplay for new players, as a new player? more hot questions question feed lang-py about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation msg108670 - (view) Author: Ezio Melotti (ezio.melotti) * Date: 2010-06-26 01:09 It would be nice if you could port 'pieces' of #2636 to Python, in order to fix this and other Does anyone know what this piece of glassware is? this contact form

msg81118 - (view) Author: Robert Xiao (nneonneo) * Date: 2009-02-04 00:36 It was so long ago, I've since redone half my codebase (the hack is still there, but I can't remember asked 3 years ago viewed 993 times active 3 years ago Blog Stack Overflow Podcast #92 - The Guerilla Guide to Interviewing Related 31Python re.sub MULTILINE caret match2738How do I check Reload to refresh your session. Join them; it only takes a minute: Sign up Invalid group reference in python 2.7+ up vote 3 down vote favorite I am trying to convert all WikiLink type of strings http://stackoverflow.com/questions/13636733/invalid-group-reference-in-python-2-7

Hope this helps ... 0 Discussion Starter friendklay 8 Years Ago Thanks. Whatever part of the match you want to show up as \1, you need to put in parentheses. processPath( r'C:\temp\MT_03_03_03\allo.txt', False ) File "\\Linuxserver\prod\XSI\WORKGROUP_4.0\Data\Scripts\pipeline\filesystem\bb_processshotdigits.py", line 45, in processPath else: sSubString = matchShot( sSubString ) File "\\Linuxserver\prod\XSI\WORKGROUP_4.0\Data\Scripts\pipeline\filesystem\bb_processshotdigits.py", line 11, in matchShot sNewString = oRe.sub( r'\10\2', sSubString ) File "D:\Python24\Lib\sre.py", line Browse other questions tagged python regex django or ask your own question.

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  2. As an example between these to characters U+1001 and U+102C there might one or two other characters stuck.
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  4. ok so here's my current problems (p.s.
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Sorry about that. below is my debug log: Code: 16:36:48 T:9340 ERROR: EXCEPTION Thrown (PythonToCppException) : -->Python callback/script returned the following error<--
Error Type: Thank you very much! Hotel cancellation from booking.com Life on Smooth World Font identification dificulties Can you move a levitating target 120 feet in a single action?

Kodi Community Forum Support Add-on Support Subtitle Add-ons [BUG]Subtitle script fails to load after latest update. File "\\Linuxserver\prod\XSI\WORKGROUP_4.0\Data\Scripts\pipeline\filesystem\bb_processshotdigits.py", line 63, in ? Unix Exit Command Hotel cancellation from booking.com more hot questions question feed lang-py about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback I understand why this happends and maybe it's just me doing things the wrong way but I just can't see what I should do differently.

If he'd added a comment before editing I would have +1'd it. Specifically re.sub() I have the following code: variableTest = "192" test = re.sub(r'(\$\{\d{1,2}\:)example.com(\})', r'\1' + variableTest + r'\2', searchString, re.M ) With this I'm trying to match something like host": "${9:example.com}" er, ear, yes, let's go with "ear" :-) ). In the example above, how to obtain "to0to" ?

About 11 results You can use \g based group substitution: >>> import re >>> re.sub("(..)(..)", r"\g<1>0\g<2>", "toto") 'to0to' \g uses the corresponding group number; \g<2> is therefore equivalent to \2, but https://bugs.python.org/issue1519638 msg155969 - (view) Author: Nikki DelRosso (Nikker) Date: 2012-03-15 22:04 Sorry, the non-working command should look as follows: re.sub(r'(?:\((?:(\d+)|.*?)\)\s*)+$','\\1','avatar (special edition)') msg155982 - (view) Author: Matthew Barnett (mrabarnett) * Date: 2012-03-16 msg58672 - (view) Author: Brandon Mintern (BMintern) Date: 2007-12-16 12:24 This is still a problem which has just given me a headache, because using re.sub now requires gymnastics instead of just Correct?

Thank you! weblink Perl and other regex engines behave as I have described, substituting empty strings for unmatched groups. Why would breathing pure oxygen be a bad idea? It never makes sense to have a reluctant quantifier as the last thing in a regex.

msg108662 - (view) Author: Terry J. Connect to Services Connect to personal services for more relevant search results across services. The error message you get probably comes up because you are using a previous version of Python. navigate here Generating a sequence of zeros at compile time Hotel cancellation from booking.com What stops messenger RNA from binding to itself?

Counterintuitive polarizing filters How do I translate "hate speech"? Getting Coveo configured properly in a CD/CM server setup Suggestion error with Coveo search box Would it be ok to eat rice using spoon in front of Westerners? r'\g<1>\g<2>'.

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Join them; it only takes a minute: Sign up regex group reference error up vote 2 down vote favorite p = r'([\,|\.]\d{1}$)' re.sub(p, r"\1", v) works, but I want to add Thanks to @m.buettner for the great link. The only reason you need the g syntax is when a simple backreference is ambiguous. I am using the following expression import re expr = r'\s+[A-Z][a-z]+[A-Z][a-z]+\s' repl=r'\1' mystr = 'this is a string to Test whether WikiLink will work ProPerly' parser=re.compile(expr) parser.sub(repl, mystr) This returns

Are illegal immigrants more likely to commit crimes? Reload to refresh your session. Hence, re complains about the invalid group reference. his comment is here View More at http://stackoverflow.com/questions/12994368/regexp-wrong-special-...

This is the nutshell: When doing a search and replace with sub, replace the group represented as optional for a group represented as an alternation with one empty subexpression. my teach cant even help) PROBLEM … Python! Breaking effort on both Weak and Strong collision resistance hash values Help me remember which is which: "humoro" and "humuro" How do I translate "hate speech"? Not the answer you're looking for?

Open a text file and remove any blank lines Counterintuitive polarizing filters Teaching a blind student MATLAB programming Can I use my client's GPL software? Breaking effort on both Weak and Strong collision resistance hash values Fill in the Minesweeper clues Suggestion error with Coveo search box Is this diffeomorphism on standard two sphere an isometry? Also make sure the regex are compiled only once with re.compile. If you continue seeing any problems related to this issue, or if you have any further questions, please let us know by stopping by one of the two mailing lists, as

Already have an account? Rearrange colors in BarChart Nested apply function at a list Why would breathing pure oxygen be a bad idea? Thanks again Bernard On 9/8/05, Kent Johnson wrote: > Bernard Lebel wrote: > > Hello, > > > > I have a string, and I use a regular Start a new discussion instead.

The app has 6 buttons, delete, save, add,previsous,next, and upload( for upload ... Where can I find my minimum tire pressure? I'm struggling with Python's regular expressions. Thoughts? 15 replies Thanks to Dani for adding Python to the scripting languages category! ...I haven't heard many people mention Python around here...

You signed out in another tab or window. Terms Privacy Security Status Help You can't perform that action at this time. Last Post 1 Hour Ago Hi! Please help me understand how to get this working python regex django share|improve this question edited Nov 29 '12 at 23:37 abarnert 165k11198275 asked Nov 29 '12 at 23:31 Guru Govindan

python - regex group reference error - Stack Overflow View More at http://stackoverflow.com/questions/20468085/regex-group-reference... share|improve this answer answered Mar 5 '13 at 15:12 nneonneo 99k19122219 This works.