How can I make this display a a message when a number is typed?

Question

https://code.sololearn.com/Wr2AHCLuGb7l/?ref=app

I need it to display a message stating that numbers aren't allowed, but only whenever a number is typed.

(Not for every instance of a number, but as long as at least 1 number is present in the input box)

Answer 1

Try the '[0-9]' expression from here with your 'match' function.

https://www.w3schools.com/jsref/jsref_obj_regexp.asp