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@ 2023-05-10T01:38:08Z

<?php

$target = "abcwa";

echo preg_replace('/./', 'w:$0', $target);

echo "\n";

echo preg_replace('/(?=.)/', 'w:', $target);

Output
Performance
VLD
References
Branches

preg_replace: documentation ( source)

preferences:dark modelive previewkey bindings

95.51 ms | 404 KiB | 5 Q