wransik
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Thank you, if( preg_match( "#\b{$ip}\b#", $file ) That did the trick.
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I'm trying to create a banlist based on a .txt file which has the IP's stored (one per line). Now I'm comparing the current users IP with the .txt file content like this: $file = file_get_contents( "text_file.txt" ); if( preg_match( "/$ip/", $file ) ) { // block } My problem is that non-exact matches also trigger the block, for example 127.0.0.12 is in the .txt, my IP is 127.0.0.1 and I'm getting blocked. How can I make it an exact match only ?