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<?php $input_zwsp_utf8 = "\xE2\x80\x8B"; echo "Binary mode: match three bytes\n-----\n"; echo "in: $input_zwsp_utf8--\nhex: ".bin2hex($input_zwsp_utf8)."\n"; $output = preg_replace('/\xE2\x80\x8B/', '', $input_zwsp_utf8); echo "out: $output--\nhex: ".bin2hex($output)."\n\n"; echo "UTF-8 mode: match a Unicode code point\n-----\n"; echo "in: $input_zwsp_utf8--\nhex: ".bin2hex($input_zwsp_utf8)."\n"; $output = preg_replace('/\x{200B}/u', '', $input_zwsp_utf8); echo "out: $output--\nhex: ".bin2hex($output)."\n\n";
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Binary mode: match three bytes ----- in: ​-- hex: e2808b out: -- hex: UTF-8 mode: match a Unicode code point ----- in: ​-- hex: e2808b out: -- hex:

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111.32 ms | 1121 KiB | 4 Q