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run code in 300+ PHP versions simultaneously
<?php $regex = preg_quote('\\/', '/'); $str = 'https:\/\/example.com\/'; $replaced = preg_replace("/{$regex}/", '/', $str); var_dump($replaced);
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
string(20) "https://example.com/"

preferences:
136.09 ms | 407 KiB | 5 Q