If links in a Link header do not contain a space between ; and rel then invoke-webrequest fails to populate the RelationLink property

<http://localhost:8080/PowerShell?test=linkheader&maxlinks=5&linknumber=1>; rel="self"
<http://localhost:8080/PowerShell?test=linkheader&maxlinks=5&linknumber=1>;rel="self"

Not having a space is valid (more appropriate, even) per the specification: https://tools.ietf.org/html/rfc5988 page 6

For reference

#5265 [Feature] Add Multiple Link Header Support

Code

Test

I think the appropriate fix would be to change \\s to \\s* to allow for 0 or more whitespace rather than requiring a single whitespace

• Current regex not working: https://regex101.com/r/QbglHf/1
• Proposed modification: https://regex101.com/r/QbglHf/2