const str = '1112233322';
const arr = str.match(/(\d)\1*/g);
// arr => [111, 22, 333, 22]
const str = '1112233322';
const arr = str.match(/(\d)\1*/g);
// arr => [111, 22, 333, 22]
本文标题：match方法对相同数字进行分组
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