PHP Regular Expression Exercises: Remove the whitespaces from a string

PHP regular expression: Exercise-3 with Solution

Write a PHP script that removes the whitespaces from a string.

Sample string : 'The quick " " brown fox'

Pictorial Presentation:

Sample Solution:

PHP Code:

<?php
$str1 = 'The quick " " 	 brown fox';
echo preg_replace('/\s+/', '', $str1)."\n";
?>

Sample Output:

Thequick""brownfox

Flowchart :

PHP Code Editor:

Have another way to solve this solution? Contribute your code (and comments) through Disqus.

Previous: Write a PHP script that removes the last word from a string.
Next: Write a PHP script to remove nonnumeric characters except comma and dot.