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<?php function fix ($value) { if (strpos($value, '\\') !== false) { if ($value[0] === '"') { $value = preg_replace('/[^\\\]\\\([^nrtvefxu0-7\$\\"])/', '\\\\$1', $value); } else { $value = preg_replace("/[^\\\]\\\([^'])/", '\\\\\1', $value); } } return substr($value, 1, -1); } echo fix('\'DATE \a\t TIME\''), "\n", fix('"FIELD\tFIELD"');
Output for git.master, git.master_jit, rfc.property-hooks
DATE\a\t TIME FIELD\tFIELD

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