Click on the button below to continue and then use the main menu at the right to open files. The menu also provides a number of additional options (see below).
Files can be edited in the browser (currently no save facilities). Open files from local hard disk or download from a URL.
Create and test RegExp (regular expressions) before inserting them into a script.
Do one of the commmon string escaping processes. Includes C style, XML and URI encoding.