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js实现千位分隔符 #9

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chess99 opened this issue Oct 10, 2019 · 1 comment

chess99 commented Oct 10, 2019

var result = "123456789".replace(/(?=(\B\d{3})+$)/g, ",");
console.log(result);
// => "123,456,789"

9a-aaaaaaaa commented Dec 20, 2020

var result = "123456789".replace(/(?=(\B\d{3})+$)/g, ",");
console.log(result);
// => "123,456,789"

const regEx = /(?!^)(?=(\d{3})+$)/g;
这样子也可以

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