python Programming Glossary: regexes

Elegant Python function to convert CamelCase to camel_case?

http://stackoverflow.com/questions/1175208/elegant-python-function-to-convert-camelcase-to-camel-case

going to call it a zillion times you can pre compile the regexes first_cap_re re.compile ' . A Z a z ' all_cap_re re.compile..

Why are uncompiled, repeatedly used regexes so much slower in Python 3?

http://stackoverflow.com/questions/14756790/why-are-uncompiled-repeatedly-used-regexes-so-much-slower-in-python-3

are uncompiled repeatedly used regexes so much slower in Python 3 When answering this question and.. a similar question I thought that I knew how Python caches regexes. But then I thought I'd test it comparing two scenarios a single.. is also more than I would have expected. Has caching of regexes changed between Python 2 and 3 The docs don't seem to suggest..

Using one Scrapy spider for several websites

http://stackoverflow.com/questions/2396529/using-one-scrapy-spider-for-several-websites

else and instanciate a custom spider with your own rules regexes and domain_name in mybot settings.py SPIDER_MANAGER_CLASS 'mybot.spidermanager.MySpiderManager'.. def fromdomain self name start_urls extra_domain_names regexes self._get_spider_info name return MyParametrizedSpider name.. MyParametrizedSpider name start_urls extra_domain_names regexes def close_spider self spider # Put here code you want to run..

Best way to strip punctuation from a string in Python

http://stackoverflow.com/questions/265960/best-way-to-strip-punctuation-from-a-string-in-python

perform as well as non pure python approaches such as regexes or string.translate as you can see from the below timings. For..

Tool to convert python indentation from spaces to tabs?

http://stackoverflow.com/questions/338767/tool-to-convert-python-indentation-from-spaces-to-tabs

them to tabs. I could easily hack together something using regexes but I can think of several edge cases where this approach could..

python and regular expression with unicode

http://stackoverflow.com/questions/393843/python-and-regular-expression-with-unicode

practice to use the re.UNICODE re.U u flag for unicode regexes but it only affects character class aliases like w or b of which..

Is it worth using Python's re.compile?

http://stackoverflow.com/questions/452104/is-it-worth-using-pythons-re-compile

code I see that Python internally compiles AND CACHES regexes whenever you use them anyway including calls to re.match so..

Get formula from Excel cell with python xlrd

http://stackoverflow.com/questions/4690423/get-formula-from-excel-cell-with-python-xlrd

formulas correctly is not an easy job as with HTML using regexes looks easy but doesn't work. It would be better to extract the..

Regular expression to extract URL from an HTML link

http://stackoverflow.com/questions/499345/regular-expression-to-extract-url-from-an-html-link

from an HTML link I 联 a newbie in Python. I 联 learning regexes but I need help here. Here comes the HTML source a href http..

Parse XML file into Python object

http://stackoverflow.com/questions/5530857/parse-xml-file-into-python-object

I thought I'll check if someone knows how to easily avoid regexes here. I don't have much experience with SAX or other parsing.. forward to be shown how this is done quickly without regexes in Python. Thanks for your help python xml regex xml parsing..

Python check for valid email address?

http://stackoverflow.com/questions/8022530/python-check-for-valid-email-address

need to escape things twice. If you have a large number of regexes to check it might be faster to compile the regex first import..