;numbers.asm

.386
option casemap :none

include \masm32\include\masm32rt.inc
includelib \masm32\lib\masm32rt.lib

.data
        inputStr db     "Hello WORLD_5ÄöÖüÜ-0123456789", 0
        numCount dword 0
        delCount dword 0
.data?
        endStr  db 256 dup (?)
.code
start:
        push ebx
        push esi
        mov esi, 0
        mov eax, 0
        mov ebx, 0
        mov ecx, 0
_loop:
        mov ebx, offset inputStr
        mov al, [ebx+esi]
        cmp al, 0
        jz _ende
        cmp al, 48
        jb _notNum
        cmp al, 57
        ja _notNum
        jmp _isNum
_notNum:
        inc delCount
        inc esi
        jmp _loop
_isNum:
        mov ebx, offset endStr
        mov ecx, numCount
        mov [ebx+ecx], al
        inc numCount
        inc esi
        jmp _loop
_ende:
        invoke StdOut, addr endStr
        pop esi
        pop ebx
        invoke ExitProcess, 0
end start