@ECHO OFF

ECHO ---------------------------------------------------------------------------
ECHO Example 3:  Extract a substring from the right side
ECHO ---------------------------------------------------------------------------

ECHO The command is:  DOSVAR /nMYVAR /v0000000000456 /sR /i7
GETKEY Press a key to continue... @

DOSVAR /nMYVAR /v0000000000456 /sR /i7
CALL SETVAR

ECHO The expected result is:   [0000456]
ECHO The actual result is:     [%MYVAR%]

SET MYVAR=