Editing Byte order mark (section)

== How to remove Byte order mark ==
PHP
* [https://stackoverflow.com/questions/10290849/how-to-remove-multiple-utf-8-bom-sequences php - How to remove multiple UTF-8 BOM sequences - Stack Overflow]
* [https://stackoverflow.com/questions/22600235/remove-or-match-a-unicode-zero-width-space-php replace - Remove or match a Unicode Zero Width Space PHP - Stack Overflow]

<pre>
// 原始資料：程式碼編輯器會顯示為 ZWNBSP，但是一般編輯器試看不到
$text = "\xef\xbb\xbf" . "單位名稱";

// 移除 BOM
$text = preg_replace('/[\x{200B}-\x{200D}\x{FEFF}]/u', '', $text);
</pre>