wut

$> cat wut.sh
#!/bin/bash

case wat in wat?([-_])?(isgoingon)) echo "eerrrr" ;; esac

$> ./wut.sh
./wut.sh: line 3: syntax error near unexpected token `('
./wut.sh: line 3: `case wat in wat?([-_])?(isgoingon)) echo "eerrrr" ;; esac'

$> case wat in wat?([-_])?(isgoingon)) echo "eerrrr" ;; esac
eerrrr