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OK I just checked it and it is now updated to the correct preview. So it took up to approx 19 hours to change. Although bear in mind I wasn't checking it all the time, could be faster. Also note, if you have started highlighting the old version, when you go back into the saved one it will still have the old preview, so you need to start over again. I can also confirm the preview in the data highlighter is not connected to Google's cache of the page in the index, as the old version of the page is still cached.

Yes this is what I thought, but wanted some second opinions. Although I wouldn't actually need a wild card after BTS, as just leaving it open is the same as using a wildcard: /fish*..........  Equivalent to "/fish" -- the trailing wildcard is ignored. https://developers.google.com/webmasters/control-crawl-index/docs/robots_txt Thanks for the link, I'll take a look