I tried your script and it was almost flawless!! But unfortunately, it didn’t work on a few of our records. (the only thing I modified on the tool you shared, was the “Product_Images” column where the images live.)
IF( find(',', Product_Images) = 0, MID( Product_Images , FIND( '(https://' , Product_Images, if( find(',', Product_Images ) > 0, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 0)), 1 ) ) +1+0 , FIND(')', Product_Images , if( find(',', Product_Images ) > 0, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 0)), 1 ) )-2 - FIND( '(https://' , Product_Images, if( find(',', Product_Images ) > 0, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 0)), 1 ) ) +1+0), MID( Product_Images , FIND( '(https://' , Product_Images, if( find(',', Product_Images ) > 0, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 0)), 1 ) ) +1+0 , FIND(')', Product_Images , if( find(',', Product_Images ) > 0, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 0)), 1 ) )-2 - FIND( '(https://' , Product_Images, if( find(',', Product_Images ) > 0, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 0)), 1 ) ) +1+0) ) & '' & IF(find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 1)) > 0, ', ' & MID( Product_Images , FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 1)) ) +1+0 , FIND(')', Product_Images , find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 1)) )-2 - FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 1)) ) +1+0) , '') & '' & IF(find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 2)) > 0, ', ' & MID( Product_Images , FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 2)) ) +1+0 , FIND(')', Product_Images , find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 2)) )-2 - FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 2)) ) +1+0) , '') & '' & IF(find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 3)) > 0, ', ' & MID( Product_Images , FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 3)) ) +1+0 , FIND(')', Product_Images , find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 3)) )-2 - FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 3)) ) +1+0) , '') & '' & IF(find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 4)) > 0, ', ' & MID( Product_Images , FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 4)) ) +1+0 , FIND(')', Product_Images , find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 4)) )-2 - FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 4)) ) +1+0) , '') & '' & IF(find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 5)) > 0, ', ' & MID( Product_Images , FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 5)) ) +1+0 , FIND(')', Product_Images , find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 5)) )-2 - FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 5)) ) +1+0) , '') & '' & IF(find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 6)) > 0, ', ' & MID( Product_Images , FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 6)) ) +1+0 , FIND(')', Product_Images , find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 6)) )-2 - FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 6)) ) +1+0) , '') & '' & IF(find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 7)) > 0, ', ' & MID( Product_Images , FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 7)) ) +1+0 , FIND(')', Product_Images , find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 7)) )-2 - FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 7)) ) +1+0) , '') & '' & IF(find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 8)) > 0, ', ' & MID( Product_Images , FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 8)) ) +1+0 , FIND(')', Product_Images , find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 8)) )-2 - FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 8)) ) +1+0) , '') & '' & IF(find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 9)) > 0, ', ' & MID( Product_Images , FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 9)) ) +1+0 , FIND(')', Product_Images , find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 9)) )-2 - FIND( '(https://' , Product_Images, find('{{anchor}}', SUBSTITUTE(Product_Images, ',', '{{anchor}}', 9)) ) +1+0) , '')