Usersettings not recognised as text?

[shimodabt]

Why this expression returns false: CONTAINS([Adresse],(USERSETTINGS("Rue"))? 

While this one returns TRUE:  CONTAINS([Adresse],"Marie")? 

For the following values:

USERSETTINGS("Rue") = Marie

[Adresse]= 27 RUE MARIE-CECILE

[AleksiAlkio · Accepted solution]

May I ask where do you use it?