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jiyuujin/countCharactersIncludedEmoji.ts

Created September 16, 2021 23:51
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絵文字を考慮して数える
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countCharactersIncludedEmoji.ts
/**
* 絵文字を含む場合の文字数 (サロゲートペアと呼ばれる領域を間引く)
* @param val 対象文字列
*/
export const countCharactersIncludedEmoji = (val: string): number => {
return val?.toString().length - (val?.toString().split(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g).length - 1);
};
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