Find a regular expression, replace a rule of emoji for emoticons (<img> emoticons) to solve the idea

To find a regular expression, replace a regular emoticon with an emoticon (emoticon)
To find a regular expression, replace a regular emoticon with an emoticon (emoticon)

[Happy] to be replaced by (the Chinese name of the picture is not regulated?) )

In fact, it is better to use JS to better.

------Solution--------------------
$str = ' [happy] emoji image ';
echo preg_replace ('/\[(. *) \]/', "", $str);

------Solution--------------------
These days, everything is in the right ...
It is certainly not advisable to use Chinese names for filenames.

function Replacestr ($STR) {
$str =substr ($str, Strpos ($str, ' [') +1,strlen ($STR)-2);
Return "";
}

