Usage:
INPUTSTR prompt:string, var:string, color:integer, len:integer, valid:string, flags:string
Display “prompt” in color “color” and get a string (maximum length “len”, valid characters “valid”, flags “flags”) from the user, assigning it to “var”

      valid length:          1-256  
      valid characters:      any string  
      valid flags:           ECHODOTS  
                             FIELDLEN  
                             GUIDE  
                             UPCASE  
                             STACKED  
                             ERASELINE  
                             NEWLINE  
                             LFBEFORE  
                             LFAFTER  
                             WORDWRAP  
                             NOCLEAR  
                             HIGHASCII  
                             AUTO  
                             YESNO  

See also: Input, InputCC, InputDate, InputInt, InputMoney, InputText, InputTime, InputYN