Regular Expression Playground - version 1.0Text: "Welcome to the Regular Expression Playground! Edit 'Text' and 'Regular Expression' ('pattern,' 'm/pattern/flags,' or 's/from/to/flags'). Matches or substitutions are highlighted within the 'Result' text. Uncheck 'Show matches/substitutions' to quiz yourself. Matched groups (parentheticals) are displayed along the right side." -Burkeware Hints . matches any character \d, \w, and \s match dig
