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in Technique[技术] by (71.8m points)

js中的正则支持条件匹配吗

?(子表达式)需要执行的表达式
例:(abc)2333(?(1)w)

只有在子表达式匹配成功的情况下才匹配后面的表达式,js支持这种写法吗,试了下直接报错啊。


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很遗憾,目前Javascript是不支持的。 C#, php, python等都支持这个高级语法。


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