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in Technique[技术] by (71.8m points)

正则 匹配 @#%[email protected]#% 为false 其他情况遇到2 都为 true

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目前这样写,始终无法满足要求


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应该在同一个位置前后都进行断言:

/(?!(?<[email protected]#%)([email protected]#%))2/gi

代码可以写为:

new RegExp(`(?!(?<[email protected]#%)(?=${this.value}@#%))${this.value}`, 'ig')

可以在这里查看测试case


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