Gideon Lord

i just did something stupid. a baby goat was glitched in my farm and i though "hey ill use /wgen regen" command to see if it gets unstuck....this has wiped all my progress because it regend the world....i know....stupid right? is there a way of getting it all back? i have a backup save from a week ago but if theres a way of rolling back my current save id much rather do that PLEASE HELP!!!