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Update regexp to support repeated dash and double underscore

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In order to support valid hostnames as name components, supporting repeated dash was added.
Additionally double underscore is now allowed as a separator to loosen the restriction for previously supported names.

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
This commit is contained in:
Derek McGowan 2015-10-09 16:01:01 -07:00
parent bcda04d6cd
commit 6bd5b8c24e
3 changed files with 85 additions and 10 deletions
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9
reference/reference.go
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@ -8,12 +8,13 @@
// // repository.go
// repository := hostname ['/' component]+
// hostname := hostcomponent [':' port-number]
// component := alpha-numeric [separator alpha-numeric]*
// component := subcomponent [separator subcomponent]*
// subcomponent := alpha-numeric ['-'* alpha-numeric]*
// hostcomponent := [hostpart '.']* hostpart
// alpha-numeric := /[a-zA-Z0-9]+/
// separator := /[_-]/
// alpha-numeric := /[a-z0-9]+/
// separator := /([_.]|__)/
// port-number := /[0-9]+/
// hostpart := /([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])/
// hostpart := /([a-z0-9]|[a-z0-9][a-z0-9-]*[a-z0-9])/
//
// // tag.go
// tag := /[\w][\w.-]{0,127}/