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in Technique[技术] by (71.8m points)

IE 浏览器下 match 方法报错

遇到一个字符串使用 match 正则比配的问题。
`
let reg = /(?<={{2}).*?(?=}{2})/g;
let res = '{{abc}}'.match(reg);
`

chrome 浏览器运行正常,IE 浏览器会报 Unexpected quantifier
看网上解释说是最好 避免在字符串方法中使用预匹配正则。


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by (71.8m points)

IE不支持后行断言IE不支持后行断言


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