# \[Bug #2368\] URI.regexp $B$K%^%C%A$9$kJ8;zNs$,(B URI.parse $B$G$-$J$$$3$H$,$"$k(B

**URL:** <https://www.ruby-forum.com/t/bug-2368-uri-regexp-b-k-c-a-9-kj8-zns-b-uri-parse-b-g-j-3-h-k-b/178995>\
**Category:** Development\
**Created:** [November 15, 2009, 7:12am UTC](https://www.ruby-forum.com/t/bug-2368-uri-regexp-b-k-c-a-9-kj8-zns-b-uri-parse-b-g-j-3-h-k-b/178995 "2009-11-15T07:12:27Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Kouhei\_Y](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/bcef8e/32.png) [@Kouhei\_Y](https://www.ruby-forum.com/u/Kouhei_Y)\
**Post date:** [November 15, 2009, 7:12am UTC](https://www.ruby-forum.com/t/bug-2368-uri-regexp-b-k-c-a-9-kj8-zns-b-uri-parse-b-g-j-3-h-k-b/178995/1 "2009-11-15T07:12:27Z")

</div>

e$B%A%1%C%He(B #2368 e$B$,99?7$5$l$^$7$?!#e(B (by Kouhei Y.)

e$B3N$+$Ke(B “http://” e$B$OIT@5$Je(B URI  
e$B$G$7$?$N$GNc$H$7$FITE,@Z$G$7$?!#e(B

e$B;d$O!Ve(BURI.regexp e$B$K%^%C%A$9$kJ8;zNs$N=89g$He(B URI.parse  
e$B$G$-$kJ8;zNs$N=89g$OEy$7$$$N$@$m$&!W$H;W$C$F$$$?$?$ae(B  
e$BDs\<($7$?$h$&$J$U$k$^$$$K$H$^$I$C$?$N$G$9$,!"N\>\<T$O35G0$,0[$J$k$N$G$7$g$&$+!)e(B  
(e$BNc$($P!"e(BURI.parse e$B$O8DJL$N%9%-!\<%`$N@)Ls$r9MN8$9$k$J$Ie(B)

e$B0lHLO@$H$7$F!“e(Bhier-part e$B$,6u$G$”$k$h$&$Je(B URI  
e$B$O!"%9%-!\<%`$K$h$C$F$O5vMF$5$l$F$$$ke(B(RFC  
3986e$B$G$O@)8B$5$l$F$$$J$$e(B)e$B$H;W$&$N$G$9$,e(B  
e$B$=$N$h$&$J$b$N$K$Oe(B URI.parse e$B$OBP1~$7$F$$$J$$$N$G$7$g$&$+!)e(B

[http://www.ietf.org/rfc/rfc3986](http://www.ietf.org/rfc/rfc3986) [Appendix A]  
URI = scheme “:” hier-part [“?” query] [“#” fragment]

```
  hier-part = "//" authority path-abempty
              / path-absolute
              / path-rootless
              / path-empty

  path-empty = 0<pchar>

```

% ~/local/ruby-trunk/bin/ruby -ruri -e ‘URI.parse “hoge:”’  
/home/ani/local/ruby-trunk/lib/ruby/1.9.1/uri/common.rb:126:in `split': bad URI(absolute but no path): http:// (URI::InvalidURIError) from /home/ani/local/ruby-trunk/lib/ruby/1.9.1/uri/common.rb:174:in `parse’  
from  
/home/ani/local/ruby-trunk/lib/ruby/1.9.1/uri/common.rb:628:in `parse' from -e:1:in `’

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[http://redmine.ruby-lang.org/issues/show/2368](http://redmine.ruby-lang.org/issues/show/2368)