How to detect double-byte characters in PHP?

Question

Is there anyway to identify if doublebyte characters exists within a string using preg_match or strpos?

I am receiving XML files with chinese language text mixed with English and would like to skip any files that contain the chinese text. The XML is utf-8 encoded.

silkfire · Accepted Answer · 2013-07-01 07:23:21Z

6

You can do something like this:

if (mb_strlen($string, 'UTF-8') != strlen($string)) {
  // string contains multibyte characters
}

answered Jul 1, 2013 at 7:23

silkfire

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