I've fixed a bug that broke a web app any time the user did something after 10pm. Turns out someone had written their own date/time parser and validated the tim

I've fixed a bug that broke a web app any time the user did something after 10pm. Turns out someone had written their own date/time parser and validated the time using a regex along the lines of "^[01]?\d:[0-5]\d:[0-5]\d".