User:Jonteemil/sandbox2

/\n?\{\{FlickreviewR[^\}]+\}\}\n+((\[\[Category:[^\]]+\]\]\n?)+)(\{\{FlickreviewR[^\}]+\}\})/g

https://commons.wikimedia.org/w/index.php?search=insource%3A%2F%5C%5B%5C%5BCategory%3A%5B%5E%5C%5D%5D%2B%5C%5D%5C%5D%5C%7B%5C%7BFlickreviewR%2Fi&title=Special:Search&profile=advanced&fulltext=1&ns0=1&ns2=1&ns6=1&ns8=1&ns10=1&ns14=1&ns100=1&ns102=1&ns104=1&ns106=1&ns460=1&ns486=1&ns828=1&ns1198=1&ns2300=1&ns2302=1

https://commons.wikimedia.org/w/index.php?search=insource%3A%2F%5C%7B%5C%7BFlickreviewR%5C%7Cstatus%3Dbad_author%5C%7Cauthor%3Dshankar+s%5C.%2F+insource%3A%2F%5C%7B%5C%7BFlickreviewR%5C%7Cstatus%3Dpassed%5C%7Cauthor%3Dshankar+s%5C.%2F&title=Special:Search&profile=advanced&fulltext=1&ns0=1&ns2=1&ns6=1&ns8=1&ns10=1&ns14=1&ns100=1&ns102=1&ns104=1&ns106=1&ns460=1&ns486=1&ns828=1&ns1198=1&ns2300=1&ns2302=1&searchToken=40h7o83ttnqpldu21rfkln4wj