dice_roller.jl

function roll(roll)
    
    m=match(r"(?<number>\d*)[dD](?<sides>\d+)", roll)
    m["number"] == "" ? number = 1 : number=parse(Int,m["number"])
    sides=parse(Int,m["sides"])
    roll_dice(number,sides)
    
end

function roll_dice(number::Integer,sides::Integer)
    sum([rand(1:sides) for _ in 1:number]) 
end

macro roll_str(roll_string)
   roll(roll_string)
end