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A JSON Schema Validator with complete support for the latest specifications.

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jsv priv uri.abnf
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priv/uri.abnf 

uri           = scheme ":" hier-part [ "?" query ] [ "#" fragment ]



hier-part     = "//" authority path-abempty

              / path-absolute

              / path-rootless

              / path-empty



uri-reference = uri / relative-ref



absolute-uri  = scheme ":" hier-part [ "?" query ]



relative-ref  = relative-part [ "?" query ] [ "#" fragment ]



relative-part = "//" authority path-abempty

              / path-absolute

              / path-noscheme

              / path-empty



scheme        = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )



authority     = [ userinfo "@" ] host [ ":" port ]

userinfo      = *( unreserved / pct-encoded / sub-delims / ":" )

host          = IP-literal / IPv4address / reg-name

port          = *DIGIT



IP-literal    = "[" ( IPv6address / IPvFuture  ) "]"



IPvFuture     = "v" 1*HEXDIG "." 1*( unreserved / sub-delims / ":" )



IPv6address   =                            6( h16 ":" ) ls32

              /                       "::" 5( h16 ":" ) ls32

              / [               h16 ] "::" 4( h16 ":" ) ls32

              / [ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32

              / [ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32

              / [ *3( h16 ":" ) h16 ] "::"    h16 ":"   ls32

              / [ *4( h16 ":" ) h16 ] "::"              ls32

              / [ *5( h16 ":" ) h16 ] "::"              h16

              / [ *6( h16 ":" ) h16 ] "::"



h16           = 1*4HEXDIG

ls32          = ( h16 ":" h16 ) / IPv4address

IPv4address   = dec-octet "." dec-octet "." dec-octet "." dec-octet



dec-octet     = DIGIT                 ; 0-9

              / %x31-39 DIGIT         ; 10-99

              / "1" 2DIGIT            ; 100-199

              / "2" %x30-34 DIGIT     ; 200-249

              / "25" %x30-35          ; 250-255



reg-name      = *( unreserved / pct-encoded / sub-delims )



path          = path-abempty    ; begins with "/" or is empty

              / path-absolute   ; begins with "/" but not "//"

              / path-noscheme   ; begins with a non-colon segment

              / path-rootless   ; begins with a segment

              / path-empty      ; zero characters



path-abempty  = *( "/" segment )

path-absolute = "/" [ segment-nz *( "/" segment ) ]

path-noscheme = segment-nz-nc *( "/" segment )

path-rootless = segment-nz *( "/" segment )

path-empty    = 0<pchar>



segment       = *pchar

segment-nz    = 1*pchar

segment-nz-nc = 1*( unreserved / pct-encoded / sub-delims / "@" )

              ; non-zero-length segment without any colon ":"



pchar         = unreserved / pct-encoded / sub-delims / ":" / "@"



query         = *( pchar / "/" / "?" )



fragment      = *( pchar / "/" / "?" )



pct-encoded   = "%" HEXDIG HEXDIG



unreserved    = ALPHA / DIGIT / "-" / "." / "_" / "~"

reserved      = gen-delims / sub-delims

gen-delims    = ":" / "/" / "?" / "#" / "[" / "]" / "@"

sub-delims    = "!" / "$" / "&" / "'" / "(" / ")"

              / "*" / "+" / "," / ";" / "="