
$rfc5987:mime-charsetc [!\u0023-\u0026+\u002D0-9A-Z\u005E-\u007B\u007D-~] [!\x23-\x26+\x2D0-9A-Z\x5E-\x7B\x7D-~] The set definition is contained in sets.json data file.
U+0021U+0023U+0024U+0025U+0026U+002BU+002DU+0030U+0031U+0032U+0033U+0034U+0035U+0036U+0037U+0038U+0039U+0041U+0042U+0043U+0044U+0045U+0046U+0047U+0048U+0049U+004AU+004BU+004CU+004DU+004EU+004FU+0050U+0051U+0052U+0053U+0054U+0055U+0056U+0057U+0058U+0059U+005AU+005EU+005FU+0060U+0061U+0062U+0063U+0064U+0065U+0066U+0067U+0068U+0069U+006AU+006BU+006CU+006DU+006EU+006FU+0070U+0071U+0072U+0073U+0074U+0075U+0076U+0077U+0078U+0079U+007AU+007BU+007DU+007E