Matched Params error

### Version
4.1.6

### Reproduction link
[paths.esm.dev/](https://paths.esm.dev/?p=AAMeJRyAwQkYLKbA0AcAF2DtNBPbGUABAkMLiLZB5RdAgQ..&t=/price_123_234#)







### Steps to reproduce
price_[nid]_[sid].vue

### What is expected?
/price_123_456
{nid: 123, sid: 456}

### What is actually happening?
{ "nid_": "1", "sid": "23_456" }