regex - Windows batch to add/replace entry in hosts file -

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i read topic first step usefull begin with. can add several lines hosts file.

i trying, without success, search , replace string regular expression. exemple, if host file contains "someip website.com" modify line obtain "newip website.com".

i can find if line contains "website.com", don't know (if possible) how line , replace ip address via regular expression pattern.

%windir%\system32\find /c /i "website.com" %hostpath% >nul  if %errorlevel% neq 0 echo %newline%^%server%   website.com>>%hostpath%

i'm lost thank answers :)

see https://stackoverflow.com/a/16735079/891976 repl.bat dbenham supports regular expression search , replace.

type "hosts" | repl "\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b website.com" "newip website.com" m >"hosts.new" move /y hosts.new hosts

repl.bat: http://www.dostips.com/forum/viewtopic.php?f=3&t=3855


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