check full width japanese number

    0

    2

    jvit

    echo isFullWidthJapaneseNumber('9');

    => true

    Shortcut: ja.isFullWidthNumber

    /**
    * check fullwidth japanese number
    *
    * @return bool
    */
    function isFullWidthJapaneseNumber($word)
    {
      return preg_match('/^[0-9]+$/', $word);
    }
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