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<?php $string='This is a space after a <br> break. This is 2 spaces after a <br> break. This is a tab after a <br> break. This is a newline after a <br> break'; var_export(str_replace(['<br> ','<br /> '],['<br>','<br />'],$string)); // if you KNOW there is only one space echo "\n\n"; var_export(preg_replace('~<br(?: /)?>\K\s+~i','',$string)); // if you want to remove all spaces, tabs, newlines
Output for git.master, git.master_jit, rfc.property-hooks
'This is a space after a <br>break. This is 2 spaces after a <br> break. This is a tab after a <br> break. This is a newline after a <br> break' 'This is a space after a <br>break. This is 2 spaces after a <br>break. This is a tab after a <br>break. This is a newline after a <br>break'

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