3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2021-02-18T10:34:40Z

<?php

$string = "
    <p>1</p>
    <p>2</p>
    <p>3</p>
    <p>4</p>
    <p>5</p>
    <p>6</p>
    <p>7</p>
    <p>8</p>
    <p>9</p>
    <p>10</p>
    <p>11</p>
    <p>12</p>
    <p>13</p>
    <p>14</p>
    <p>15</p>
    <p>16</p>
    <p>17</p>
    ";

echo preg_replace('~(?:.*?</p>){5}\K~s', "\n    [next]", $string);

Output
Performance
VLD
References
Branches

preg_replace: documentation ( source)

preferences:dark modelive previewkey bindings

27.93 ms | 404 KiB | 5 Q