Too mainy label generated

[Adi3000]

There is too many "Installation / Exploitation" in my dashboard.
Don't know yet if it is the last Category found, or if it because of the "/" character

[Adi3000]

To delete some labels

curl -x fr-proxy.groupinfra.com:3128 "https://api.trello.com/1/boards/56e18e4451da4da4db599a0b/labels?limit=1000&key=<YOUR_KEY_ID>&token=<YOUR_TOKEN_ID>" | sed -e 's/","idBoard":"56e18e4451da4da4db599a0b","name":"Installation \/ exploitation","color":null,"uses":0\},{"id":"/\n/g' | head -n -1 | tail -n +2 | xargs -I % curl -x fr-proxy.groupinfra.com:3128 -XDELETE "https://api.trello.com/1/labels/%?key=<YOUR_KEY_ID>&token=<YOUR_TOKEN_ID>"