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copied!<p>What ever you are trying to achieve, this will help you:</p> <p>To count only Hiragana+Katakana+Kanji (Japanese) Chars (excluding punctuation marks):</p> <pre><code>var x = "これは猫です、けどKittyも大丈夫。"; x.match(/[ぁ-ゖァ-ヺー一-龯々]/g).length; //Result: 12 : これは猫ですけども大丈夫 </code></pre> <p><strong>Updated:</strong> </p> <p>To count only words in Alphabet:</p> <pre><code>x.match(/\w+/g).length; //Result: 1 : "Kitty" </code></pre> <p>All in one line (as function):</p> <pre><code>function myCount(str) { return str.match(/[ぁ-ゖァ-ヺー一-龯々]|\w+/g).length; } alert(myCount("これは猫です、けどKittyも大丈夫。")); //13 alert(myCount("これは犬です。DogとPuppyもOKですね！")); //14 </code></pre> <p>These are the arrays resulted of match:</p> <pre><code>["こ", "れ", "は", "猫", "で", "す", "け", "ど", "Kitty", "も", "大", "丈", "夫"] ["こ", "れ", "は", "犬", "で", "す", "Dog", "と", "Puppy", "も", "OK", "で", "す", "ね"] </code></pre> <p><strong>Updated (JAP, KOR, CH):</strong></p> <pre><code>function myCount(str) { return str.match(/[ぁ-ㆌㇰ-䶵一-鿃々가-힣-豈ｦ-ﾝ]|\w+/g).length; } </code></pre> <p>These will cover around 99% of the Japanese, Chinese and Korean. You may need to manually add extra characters that are not included such as "〶".</p> <p>A very good reference is:</p> <p><a href="http://www.tamasoft.co.jp/en/general-info/unicode.html" rel="nofollow">http://www.tamasoft.co.jp/en/general-info/unicode.html</a></p> <p>This should solve your question.</p>

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