accidentally replaced permalink ‘https://website.com.au’ with ‘.com.au’

Hey love the plugin have used it heaps, tonight I should have been watching a movie instead of working – I replaced https://b4foodandwine with [ ] – yep, a blank replace with box!!!! Nothing! So now all the page permalinks are .com.au/contact instead of https://b4foodandwine.com.au/contact/ for example!!! How/where can I change this back? Would you know, pleeeeease? I would find it annoying if it were my site – having to manually change the preview URL everytime I checked an edited page – but this is a clients website! (and of course this was the one time I didnt do a backup first)

please help…

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