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<?php $re = '/(\d+)/m'; $str = 'JS35BX54NV33'; $subst = ' $1 '; $result = preg_replace($re, $subst, $str); echo "The result of the substitution is ".$result;
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
The result of the substitution is JS 35 BX 54 NV 33

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