Getting Started with Python

Hi I have never had to deal with regex before and I'm trying to preprocess some raw text with P… Read more Python Regular Expression Nltk Website Extraction

I am reading through http://docs.python.org/2/library/re.html. According to this the 'r' i… Read more What Does The "r" In Pythons Re.compile(r' Pattern Flags') Mean?

I have a dataset like this: I want to calculate the sum of apple_*_C,apple_*_Cr, apple_*_Cu in eac… Read more Sum Value In A Row Based On The Head Of The Columns

I am trying to capture multiple ' = ' pairs with a Python regular expression from a string… Read more Regular Expression Only Captures The Last Occurence Of Repeated Group

I am testing out my python grepper script. It takes multiple search patterns, and works well with … Read more Token Capture Sequences Python Not Working Correctly

My question is similar to this unanswered question: Using custom POS tags for NLTK chunking?, but t… Read more How To Parse Custom Tags Using Nltk.regexp.parser()

I have a list of comma-separated ids(digits) . And I need to get only these which are divisible by … Read more Regex Filter Numbers Divisible By 3

I have a project wherein I need to extract quotations from a huge set of articles . Here , by quot… Read more How To Extract Quotations From Text Using Nltk