![]() The tasks will get progressively harder, and you will receive less and less hand-holding the further you progress. The quiz is evaluated using the PCRE2 engine, which is also available in the main editor if you would like to do some testing. ![]() Parsing HTML with regex is seldom a good idea, despite there being a task in the quiz to do just that. After you have finished a task you can continue improving upon your solution, making it shorter, and climb higher into the leader boards.ĭo note that these tasks do not necessarily promote best practices in real life scenarios, but rather aim to teach you the fundamentals of writing powerful regular expressions. You can even create and store your own regex terms. This free regular expression tester lets you test your regular expressions against any entry of your choice and clearly highlights all matches. We also include common patterns like regex for phone numbers, regex for email addresses, and general pattern matching. Once you have solved each task, you will be presented with statistics over how well others have done in that task, and the next task will be made available to you. You can use to decode a regular expression into English or to write your own regular expression with Simple Regex Language. The quiz is divided into a number of different tasks, which each have a short description of the problem for you to solve. Using regexes for extracting data from web pages Check out ParseHub, a visual web scraping tool built by the team behind Debuggex. This is an interactive learning tool you can use to improve your understanding of regular expressions, and their different applications. ![]() Close Welcome to the regex101 regex quiz! 6 hours ago &0183 &32 Regular expressions are built into many programming languages and used to match, search, and transform patterns of text in your programs. ![]()
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