How to validate Hex color code with regular expression
戻り値はnil or 0
hex = '#0000000' rp = Regexp.new("^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$") puts hex =~ rp
How to validate Hex color code with regular expression
戻り値はnil or 0
hex = '#0000000' rp = Regexp.new("^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$") puts hex =~ rp