TDDB44 albar556 & marka727 Lab 1 Assigment 1 Identifers [A-Za-z_][A-Za-z_0-9]* Constants Integer [0-9]+ Real ([0-9]+\.[0-9]*|[0-9]*\.[0-9]+)((E|e)(\+|-)?[0-9]+)?|[0-9]+((E|e)(\+|-)?[0-9]+) RegExr Test Strings '([^'\n]|'')*' Assignment 2 DIESEL float