Replace any non-space whitespace, with a space : preg_replace « String « PHP






  1. PHP
  2. String
  3. preg_replace

Replace any non-space whitespace, with a space

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



$str = preg_replace('/[\n\r\t]/', ' ', $str);


// Echo out: 'This line contains liberal use of whitespace.'
echo "<pre>{$str}</pre>";
?>








Related examples in the same category

1.$0 is set to the whole match, then $1, $2
2.Converting Line Breaks
3.preg_replace
4.preg_replace
5.preg_replace with index
6.Pass a fourth parameter to preg_replace( ) to specify the maximum number of replacements you want to make.
7.Pass arrays of regular expressions and replacement strings to preg_replace().
8.Replacing with preg_replace()
9.Using Back References with preg_replace()
10.Using preg_replace() to Replace Patterns
11.e modifier treats the replacement string in preg_replace() as if it were PHP.
12.pass arrays as parameter one and parameter two, and preg_replace() performs multiple replaces
13.Escape a > character in HTML
14.Replacing URLs with Links
15.Formatting a Phone Number
16.Entity encoding matched text
17.Escaping Special Characters
18.Regular Expression Replacements
19.Remove any doubled-up whitespace
20.Replace with regular expression
21.Replacing using backreferences
22.Quote escaping in backreference replacements