Regexp problems, python

Question

I'm trying to write a regexp to use in a parser. Specifically, I'd like to be able to parse strings formatted like so:

[SOME-WORD "Quoted string"]

Currently, I'm trying the following expression:

(?P<capital-item>
\[SOME-WORD(\ ?)\"
  (?P<quoted-string>\w+)
\"(\ ?)\])

I'm using python, and re.compile to get a scanner. Once compiled, the regexp doesn't match the example string I gave above. What am I messing up here?

\w does not match the space between "Quoted" and "string". \w is equivalent to [a-zA-Z0-9_] (no space). — Omri Barel
– Omri Barel, Commented May 3, 2013 at 13:49
Group names must be valid Python identifiers. Neither capital-item nor quoted-string are. — Cairnarvon
– Cairnarvon, Commented May 3, 2013 at 13:49
What do you wish to get out of it? An example result would be nice. Is "SOME-WORD" a static part of this? — melwil
– melwil, Commented May 3, 2013 at 13:49

jamylak · Accepted Answer · 2013-05-03 13:53:34Z

3

>>> import re
>>> text = '[SOME-WORD "Quoted string"]'
>>> pat = r'\[(?P<capitalitem>SOME-WORD)(\ ?)\"(?P<quotedstring>[\w\s]+)\"(\ ?)\]'
>>> re.search(pat, text).groupdict()
{'capitalitem': 'SOME-WORD', 'quotedstring': 'Quoted string'}

answered May 3, 2013 at 13:53

jamylak

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