Remove any doubled-up whitespace : preg_replace « String « PHP

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PHP » String » preg_replace

Remove any doubled-up whitespace


 

<?php

$str = " This line  contains\tliberal \r\n use of   whitespace.\n\n";



$str = preg_replace('/\s(?=\s)/', '', $str);



// Echo out: 'This line contains liberal use of whitespace.'

echo "<pre>{$str}</pre>";

?>

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