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<?php function morsedecode($code){ $search = array('/(?<![.-])\.-(?![.-])/', '/(?<![.-])-\.\.\.(?![.-])/'); $replace = array('a', 'b'); return preg_replace($search, $replace, $code); } echo morsedecode(".- -...");
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
a b

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143.38 ms | 402 KiB | 145 Q