<div>
$my_string &nbsp; &nbsp; = &nbsp; &nbsp; &nbsp; str_replace(array(&quot;,,&quot;,&quot; &nbsp;&quot;,&quot;--&quot;,&quot;..&quot;), array(&quot;,&quot;,&quot; &quot;,&quot;-&quot;,&quot;.&quot;), $my_string);
</div>


$my_string     =       str_replace(array(",,","  ","--",".."), array(","," ","-","."), $my_string);

<div>
Sorry that should be<br />
<br />
$my_string &nbsp; &nbsp; = &nbsp; &nbsp; &nbsp; preg_replace(array(&quot;/,+/&quot;,<wbr />&quot;/ +/&quot;,&quot;/-+/&quot;,&quot;/\.+/&quot;), array(&quot;,&quot;,&quot; &quot;,&quot;-&quot;,&quot;.&quot;), $my_string);
</div>


Sorry that should be

$my_string     =       preg_replace(array("/,+/","/ +/","/-+/","/\.+/"), array(","," ","-","."), $my_string);

<div>
<div class="content wysiwyg-content">
Hello,<br />
<br />
I want to remove all duplicates of spaces, dashes, periods and commas.<br />
<br />
So <br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Hello-- &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; this is a test,, and only a test......................<wbr />..<br />
<br />
Should become<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Hello- this is a test, and only a test.<br />

</div>
</div>


Hello,

I want to remove all duplicates of spaces, dashes, periods and commas.

So 
                   Hello--               this is a test,, and only a test........................

Should become
                   Hello- this is a test, and only a test.


Getting rid of duplicate punctuation

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