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@ 2014-04-22T12:34:32Z

<?php
$var = array(
	'#tag',
	'text #tag text',
    'text #tag',
    'text#tag',
);
$res = preg_filter('/\s?+#\S{1,24}+/u', '<$0>' , $var);
print_r($res);

Output
Performance
VLD
References
Branches

print_r: documentation ( source)
preg_filter: documentation ( source)

preferences:dark modelive preview

73.61 ms | 402 KiB | 5 Q