On: Regex Puzzle

[70jS8h5L]

You did the same thing I did I imagine. The regexcrossword.com link has a small mistake:

[^PZVJG]{4}(.)[EFUG]{6}(.)[^\sPZVJI]{2}

should be

[^PZVJG]{4}(.)[EFUG]{6}\1[^\sPZVJI]{2}

(note the \1 )