Dupe-checker.com - check a list of entries for duplicates
dupe-checker.comWith this web-based tool, you can check your list of entries for duplicates. Filter out the values or lines you want, or just the duplicates. Supports sorting, replacements (with regex) and case-(in)sensitivity.
I just scratched my own itch. When are you going to scratch yours? Well done. Will use from time to time. Thanks.