On: Regex Golf

[moron4hire]

569pts: ([^31]0|31|[017]2|[03]03|[^1]4|(900|01|7)5|6|[48]7|[57]8|09)$

[chch → moron4hire]

Originally had 568, then saw this and improved. :)

580pts: 00(0$|3|6|9|12|15)|[^0]14|.53|^3[^38]|55|43|23|9.7

[mbauman → chch]

Nice. A smidge better at 582:

    5[54]|2[437]|00($|[369]|1[25])|^8[17]|^3[29]|9.7

[jaytaylor → mbauman]

One more smidgen, behold 584:

    5[54]|2[437]|00($|[369]|1[25])|^[83][1729]|9.7

[grobie → jaytaylor]

586:

    ^[378][12479]|00($|[369]|1[25])|5[45]|2[347]

[nwellnhof → grobie]

589: ^[378][12479]|00($|[369]|1[25])|55|2[347]