求知识~正则方面。

[JavaDaoDao]

Regex.Replace("A1B2C3D4","B(\d+)","1")

如何让B不被替换掉
在只改变参数2的情况下实现

求知识。

[bdmh]

"(?<=B)(\d+)" ，没测试，自己试试

[烟灰洒落键盘]

Regex.Replace("A1B2C3D4","(B)(\d+)","${1}1")

[angel6709]

母鸡，需要改变3 Regex.Replace("A1B2C3D4","(B)(\d+)","$11") Regex.Replace("A1B2C3D4","B(\d+)","B1")

[骑着蜗牛去爬山]

参考