makes it more humanable

[cqyisbug]

trafficstars

https://github.com/yhan219/navicat_reset_mac/blob/4bf51d54a86d3bd218aa83bf468354268047c611/reset_navicat_52pojie.sh#L32-L39

regex="([0-9A-Z]{32}) = "
while [[ $(defaults read $file) =~ $regex ]] ; do
    hash=${BASH_REMATCH[1]}
    defaults delete $file $hash
done