A job board for people and companies looking to hire R users. The tables below are a reference to basic regex. While reading the rest of the site, when in doubt, you can always come back and look here. ( It you want a bookmark, here' s a direct link to the regex reference tables). I encourage you to print the tables so you have a cheat sheet on your desk for quick reference. com Regular Expression Cheat Sheet (.
NET) Metacharacters Defined; MChar Definition ^. For more information, see Regular Expression Options. Setting Up RegEx.