How to reproduce

• connect to cms
• edit a content
• fill a field with too many characters (for exemple a field for Zip Code is limited to 5 characters : enter 8 char)

Actual behavior

• there is a message like "Le champ ne respecte pas le format attendu : /^. {0,5}

  $/"

Expected behavior

• the message is clear, like "Le champ ne respecte pas le format attendu : 5 chiffres"