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@ 2013-08-17T23:31:42Z

<?php

$s = '3.14';
$i = 1;

$numberRegex = '/-?(?:0|[1-9][0-9]*+)(?:\.[0-9]*+)?(?:[Ee][+-]?[0-9]+)?/A';
		if ( preg_match( $numberRegex, $s, $matches, 0, --$i ) ) {
			$i += strlen( $matches[0] );
			var_dump( array( 's', $matches[0] - 0 ) );
		}

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
preg_match: documentation ( source)

preferences:dark modelive preview

44.79 ms | 402 KiB | 5 Q