3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2016-01-05T03:06:48Z

<?php

    $re = "/(?<=^\\S|\\s\\S|\\s)[RD]/g"; 
    $str = "-D-K4_NNNN_M116_R1_001.gz _D-K4_NNNN_M56_R1_001.gz R-K4_NNNN_KQ9_R1_001.gz D-K4_NNNN_M987_R1_001.gz _R-K4_NNNN_M987_R1_001.gz"; 
     
    preg_match_all($re, $str, $matches);
    echo '<pre>';
    print_r($matches);
    echo '</pre>';

Output
Performance
VLD
References
Branches

print_r: documentation ( source)
preg_match_all: documentation ( source)

preferences:dark modelive preview

36.72 ms | 402 KiB | 5 Q