Recent Posts

URL RegEx

A very short thing to share, but likely valuable: An RegEx for URLs. In search of the perfect URL validation regex has several positive and negative examples for URLs as well as several regular expressions to test against those test cases. The only one which matched all correctly is by … Read More »

Regular Expressions with Python

Python supports regular expressions (RegEx) just as any other general purpose programming language. This mini article shows two examples how to use them. The package which gives RegEx support is called re. Matches The simplest applicataion of re is to check if a pattern matches a text: import re text … Read More »

Python: Check Wiki-references for citation template

Wikipedia articles are full of references. Those references should be formatted the same way. It is much easier to use a template for citations than trying to guess the right way how to cite. Unfortunately most Wikipedia users don't know the Template:Citation. So I try to fix all manual … Read More »