colorHexWithAlpha constant

Pattern const colorHexWithAlpha

Color Code (Hex with optional alpha) Regex Examples: #FFF, #FFFFFF, #FFFFFFFF, #1234

Implementation

static const Pattern colorHexWithAlpha =
    r'^#(?:[0-9a-fA-F]{3,4}|[0-9a-fA-F]{6}|[0-9a-fA-F]{8})$';