For example, if we want to write a regex that matches the literal string \section, the regex pattern needs to escape the backslash. So, the regular expression pattern needs to be \\section. To write a ...

We started off with understanding what are regular expressions. We explored various patterns. Then we made a regex for checking the strength 💪 of a password. Then we explored functions of the re ...

The sample regex doesn’t try to cover all the possible permutations of a URL, just the most basic patterns. But regular expressions shouldn’t try to capture every possible variant of a pattern.

In this 60 minute tutorial I will explain how to use named capture regular expressions to extract data from several different kinds structured text data. For additional reading see my R journal ...

Remove parameters using regular expressions. The other option to remove parameters in Java or Python is to use a regular expression to delete the matching portion of the input string. This method is ...