yhcfsr

@echo off
set "id=123"
set "str=ccc123bbcde123ffk"
:lp
if "%str:~,3%" equ "%id%" (
	set/a "n+=1"
	set "str=%str:~3%"
	) else set "str=%str:~1%"
if "%str%" neq "" goto :lp
echo;%n%
pause
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