You can use ^ and %, but must enter them in the _Alphanumeric variable twice as ^^ or %%. However, if you want to use the result (_RndAlphaNum) later in the batch file (other than Echoing to the screen), they might require special handling. You can even use a space, as long as it's not the last character in the string.
23 inches (59cm) is the minimum distance required for a chair behind a desk. This would fit a modest sized chair. For more comfort and to accommodate a bigger office chair increase the chair clearance to 30 inches (76cm). Office Chair tips. Swivel chairs make it easier to get in and out from behind your desk, especially if the space is a bit tight.
Seat Width and Depth Chairs are regularly available in widths rangingfrom 10 inches to 22 inches in 2-inch increments .*Chairs with seats 24 inches wide are available butthey do not fold. Wider chairs can be obtained byspecial order. The seat depth and height from the *Dimensions given here for seat width and depth relate to spaceavailable to the occupant and are not overall dimensions for the chair orits components.