[Net\serve] Issue with regex route

[drkameleon]

Summary

SIGSEGV on Windows/Linux in specific routes

Current Behavior

See also: 10f2283#r178654419

@scifx

Expected Behavior

No response

Steps To Reproduce

No response

OS

Windows, Linux

Version

https://github.com/arturo-lang/nightly/releases/tag/2026-03-03

Anything else?

Probably regression related to #2199

Is there an existing issue for this?

• I have searched the existing issues