<?php ini_set("pcre.jit", 0); $txt = <<<TEXT foo { A } foo { A } foo { B } foo { A } foo { C } TEXT; echo preg_replace('/\R{0,2}.*{[^}]*A[^}]*}/', '', $txt); echo "\n---\n"; echo preg_replace('/\R{0,2}.+{[^}]*A[^}]*}/', '', $txt); echo "\n---\n"; echo preg_replace('/\n{0,2}.*{[^}]*A[^}]*}/', '', $txt); echo "\n---\n"; echo preg_replace('/\n{0,2}.+{[^}]*A[^}]*}/', '', $txt);
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