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@ 2021-07-14T14:57:50Z

<?php

$expression = '(1*2)/(3*4)*100+-10';
var_export(
    preg_split(
        '~(-?\d+|[()*/+-])~',
        $expression,
        0,
        PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE
    )
);

Output
Performance
VLD
References
Branches

var_export: documentation ( source)
preg_split: documentation ( source)

preferences:dark modelive previewkey bindings

28.31 ms | 405 KiB | 5 Q