#!/bin/bash


while [[ $REPLY != 0 ]]; do
read -p "Enter selection [1-10] "
if [[ $REPLY =~ ^[1-10]$ ]]; then
	if [[ $REPLY == 1 ]]; then

		read -p "Diavase to email: " email
		while [ $email -ne ^"[a-z0-9A-Z][a-z0-9A-Z*+/=?^_{|}~-]+@[a-z0-9]+\.[a-zA-Z]"$ ]; do
			read -p "Ksanadiavase to email: " email
			echo $email
		touch active_users
		read -p "Dwse to username" username


		done

	fi
else
echo "Invalid entry"
fi
done
echo "Program ends!!"