Regular Expressions 101

Find single dollar delimited LaTeX equations, for use with e.g. KateX

Matches any valid DOI

match #2

Extracting all {__("content")} from cakephp .tpl files

The following is a dictionary of 4991 portuguese words ordered by frequency. I need the file to have just number of line and word like the following 11 lines of example. So I need to delete all lines that don't start with a number and delete everything after number and word. Also delete all lines wi...

Scrape DeviantArt's search page HTMl to extract the category, the id, the user and the image url of each post.

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Parse a Finnish date with de "dd. mmmm yyyy" or "dd.mm.yyyy" format.

This regex removes double-slash comments while avoiding anything between 'quotes' or "double quotes".

For python regex, substiution not working properly. It is not replcing matched content of $1... and so on. Please take a look.

dateTime type matching regex for XML 1.0

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