ErnestoM,
Thank u for the quick response. As u have mentioned i have tried this rule string-length(.) > 100 but it is not restricting the user to eneter Characters after 100,
And Can we Validate on the Size and the characters through code, might be using OnChangeEvent,OnValidateEvent... etc.,
and also want to show the word countdown as the user eneters characters in RTB.
Thank u
Jairam