expression « tuple « Python Data Type Q&A

1. How do I ensure I always get a list of matches from Python's Regular Expressions?    stackoverflow.com

I'm trying to pull some information (no recursion necessary) from a jsp page (malformed xml) similar to this:

<td>
<html:button ...></html:button>
<html:submit ...></html:submit></td>

<html:(button|submit|cancel)[\s\S]*?</html:(button|submit|cancel)>

[('button','button'),('button','button')]

2. Creating a Regular expression which matches python tuple structure    stackoverflow.com

I'm doing a JavaScript plugin, launched at every page-load, that replaces every matching structure with a link... That link redirects to a web application/database. A resource for coders of the Mount&Blade ...

3. is there some kind of expression evaluation within list/tuple slicing syntax within Python?    stackoverflow.com

with numpy arrays, you can use some kind of inequality within the square bracket slicing syntax:

>>>arr = numpy.array([1,2,3])
>>>arr[arr>=2]
array([2, 3])