WebHACC Language tag

Input

Parse result

RFC 5646 RFC 4646 RFC 3066 RFC 1766
Language(Empty string)(Empty string)
Exteneded language(None)(None)
Script(Not defined)(Not defined)
Region(Not defined)(Not defined)
Variant(None)(None)
Extension(None)(None)
Private use(None)(None)
Illegal (broken)(None)(None)
Grandfathered(Not defined)(Not defined)
Well-formedNoNo
ValidNoNo
ConformingNoNoNoNo

Errors

RFC 5646

MUST‐level error: The language subtag is syntactically invalid. Language subtag must contain one or more basic latin characters. [Description]
MUST‐level error: Language subtag is not registered. [Description]

RFC 4646

MUST‐level error: The language subtag is syntactically invalid. Language subtag must contain one or more basic latin characters. [Description]
MUST‐level error: Language subtag is not registered. [Description]

RFC 3066

Unknown location
MUST‐level error: No semantics is defined for language subtag . [Description]

RFC 1766

Unknown location
MUST‐level error: No semantics is defined for language subtag . [Description]

Registry data

RFC 5646

Language
(Empty string)
Registered date
Not registered

RFC 4646

Language
(Empty string)
Registered date
Not registered