Checking characters

@echo off
setlocal enabledelayedexpansion

set /p string1=Enter the first string to compare:
echo.
set /p string2=Enter the second string to compare:

::remove spaces from the text

set s1=!string1: =!
set s2=!string2: =!

::First find the length of each. Makes for a really easy check if they're not the same if they have different lengths.

for /l %%a in (0,1,100000) do (
set total1=%%a
if "!s1:~%%a,1!"=="" goto next1
)

:next1

for /l %%b in (0,1,100000) do (
set total2=%%b
if "!s2:~%%b,1!"=="" goto next2
)

:next2
if "!total1!"=="!total2!" goto next3
call :nomatch


::check that the first character of the first string can be found in the second string
:next3
for /l %%c in (0,1,%total2%) do (
set pos2=%%c
if /i "!s2:~%%c,1!"=="!s1:~0,1!" goto next4
if "%%c"=="%total2%" goto nomatch
)

::This section removes the character from both the strings.
:next4
set /a num1=%total2% - %pos2% -1
set /a num2=%pos2% + 1
set temp1=!s2:~0,%pos2%!
set temp2=!s2:~%num2%,%num1%!
set s2=!temp1!!temp2!
set /a total1=%total1% - 1
if "%total1%"=="0" goto match
set s1=!s1:~1,%total1%!
goto next3

:nomatch
echo No, the characters cannot be rearranged to match.
pause > nul
exit /b

:match
setlocal disabledelayedexpansion
echo Yes! The characters can be rearranged to match!
pause>nul
exit /b