Polyteknisk Boghandel

If you're a programmer, you've undoubtedly needed to search or manipulate text at some point. Regular expressions provide a flexible and concise means to complete most such tasks. However, their power does not come without its problems. Regular expression syntax can be challenging for newcomers, and even seasoned users often have trouble tackling performance issues, the nuances of more advanced features, and matching precisely what they intend and nothing more. Additionally, while most regular expression flavours share a common set of basic syntax, more advanced features and APIs commonly differ.