Force lower case letters in form

do you have any idea on how to distinguish lower case letters from capitals in order to let the user submit only in lower case because the only way i can think of is somehow with the included option and an if statement but i dont know if its efficient.
also can we do the same thing for the language? but then in each case we would have to include the whole alphabet twice but as im thinking about it this would also mean that it would be unable to use things like bullet point and ! but maybe thats a plus (i think i will check how instagram does it too)
what do you think?

You can use my solution here with the Experimental Code column and convert them all to lowercase after the form is submitted.


Thanks a lot

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