试试这个 `/\d+\..*?(?=\d\.|$)/g`  [嗨正则 (hiregex.com)](https://link.segmentfault.com/?enc=5m2dNP7w2ELUcWrO7RMytg%3D%3D.A24mSiDhOYKhWAv1X3ryO7p%2FmDso5CBWhjCL6098Fuk%3D)