Hello, I'm GermanProbably you can restrict the characters used for text
entry, so for example ü is allowed in the German form but not in
French.But you will NEVER be able to restrict the users staying only
writing French in French forms 100%.1) You sometimes, not often, do
encounter letters that are not typical for the language. (Though it can
appear in any kind of word, it's quite regular for names.)2) Let's say I
fill the French form. I encounter a problem when I type in the word
"Müller". Thi...