# Trunk \\w match

**URL:** <https://www.ruby-forum.com/t/trunk-w-match/183159>\
**Category:** Development\
**Created:** [February 9, 2010, 7:42am UTC](https://www.ruby-forum.com/t/trunk-w-match/183159 "2010-02-09T07:42:39Z")\
**Posts on this page:** 7\
**Page:** 1

<div class="post-metadata">

**Author:** ![WATANABE\_Tetsuya](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/w/46a35a/32.png) [@WATANABE\_Tetsuya](https://www.ruby-forum.com/u/WATANABE_Tetsuya)\
**Post date:** [February 9, 2010, 7:42am UTC](https://www.ruby-forum.com/t/trunk-w-match/183159/1 "2010-02-09T07:42:39Z")

</div>

e$BEOJUE/Li$G$9!#e(B

Trunk e$B$Ne(B \w e$B$N%^%C%A$,4A;z$GF0:n$7$F$$$J$$$h$&$G$9!#e(B

$ ruby -v  
ruby 1.9.2dev (2010-02-09) [i686-linux]  
------- e$B%5%s%W%k%3!\<%Ie(B  
kstr = “e$B4A;z%3!\<%Ie(BEUC”

if kstr =~ /^(\w+)/  
p $1  
end  
------- e$B\<B9T7k2Le(B  
$ ruby -Ke /tmp/j.rb  
$

---

<div class="post-metadata">

**Author:** ![WATANABE\_Tetsuya](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/w/46a35a/32.png) [@WATANABE\_Tetsuya](https://www.ruby-forum.com/u/WATANABE_Tetsuya)\
**Post date:** [February 9, 2010, 8:44am UTC](https://www.ruby-forum.com/t/trunk-w-match/183159/2 "2010-02-09T08:44:41Z")

</div>

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:40359] trunk \w match”  
on Tue, 9 Feb 2010 15:42:14 +0900, WATANABE Tetsuya  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) writes:

|Trunk e$B$Ne(B \w e$B$N%^%C%A$,4A;z$GF0:n$7$F$$$J$$$h$&$G$9!#e(B

Sun Aug 16 00:30:33 2009e$B$NJQ99$Ge(B \d, \s e$B$\*$h$Se(B \w  
e$B$,e(BASCIIe$B$Ne(B  
e$BHO0O$GF0:n$9$k$h$&$KJQ99$K$J$C$F$^$9!#e(B[ruby-dev:39026]e$B$G$9$M!#e(B  
e$B$?$@!“$3$3$G5DO@$5$l$F$$$?$N$Oe(B \d e$B$@$1$J$s$G$9$,!”$=$NB\>$K$De(B  
e$B$$$F$b!Ve(BPerle$B$K9g$o$;$k!W$H$$$&H=CG$,$5$l$?$h$&$G$9!#e(B

e$B$h$Me(B e$B!de(B e$B@.@%$5$s!#e(B

e$B8D?ME\*$K$Oe(B \w e$B$He(B \s e$B$O0-1F6A$,\>/$J$$$H;W$$$^$7$?$,!#e(B

---

<div class="post-metadata">

**Author:** ![WATANABE\_Tetsuya](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/w/46a35a/32.png) [@WATANABE\_Tetsuya](https://www.ruby-forum.com/u/WATANABE_Tetsuya)\
**Post date:** [February 9, 2010, 9:22am UTC](https://www.ruby-forum.com/t/trunk-w-match/183159/3 "2010-02-09T09:22:08Z")

</div>

e$BEOJUE/Li$G$9!#e(B

e$B\>pJs$"$j$,$H$&$4$6$$$^$9!#e(B

e$B;EMMJQ99$J$N$G$9$M!#N;2r$7$^$7$?!#e(B

\d e$B$N?t;z$N\>l9g$N%^%C%A$N5-=RNL$O$9$/$J$$$N$Ge(B  
e$B=q$-49$($O3Z$J$N$G$9$,!"e(B\w e$B$K$D$$$F$O!“4A;z%3!\<%Ie(B  
e$B$K$h$C$FO"B3$7$F$$$k$h$&$J=q$-J}$,ITE,Ev$K$J$k$He(B  
e$B;W$o$l$k$N$G!”$I$&BeMQ$7$F$$$$$+G:$\_$^$9!#e(B

e$B$J$K$+$$$$%“%$%G%#%”$,$"$k$+$?$,$$$^$7$?$i65$($Fe(B  
e$B$/$@$5$$!#e(B

\w e$B$r4A;z%3!\<%I$N%^%C%A$9$k$3$H$r4|BT$9$k\>l9g$Ne(B  
e$BBeMQ%3!\<%I$H$7$Fe(B

[e$B4A;z%3!\<%I$N:G=ie(B-e$B4A;z%3!\<%I$N=\*$o$je(B]

e$B$J$I$,$"$j$^$9!#e(BEUC-JP e$B$J$I$O$3$l$G=q$1$J$/$be(B  
e$B$J$$$N$G$9$,!"B\>$N4A;z%3!\<%I$GMxMQ$7$?$$?M$b!"e(B  
e$B$3$N5-=R$,$=$N$^$^;H$($k$G$7$g$&$+e(B?

2010e$BG/e(B2e$B7ne(B9e$BF|e(B16:44 Yukihiro M.  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

---

<div class="post-metadata">

**Author:** ![WATANABE\_Tetsuya](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/w/46a35a/32.png) [@WATANABE\_Tetsuya](https://www.ruby-forum.com/u/WATANABE_Tetsuya)\
**Post date:** [February 9, 2010, 9:54am UTC](https://www.ruby-forum.com/t/trunk-w-match/183159/4 "2010-02-09T09:54:55Z")

</div>

e$B@.@%$G$9!#e(B

2010/2/9 Yukihiro M. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> e$B$$$F$b!Ve(BPerle$B$K9g$o$;$k!W$H$$$&H=CG$,$5$l$?$h$&$G$9!#e(B
> 
> e$B$h$Me(B e$B!de(B e$B@.@%$5$s!#e(B
> 
> e$B8D?ME\*$K$Oe(B \w e$B$He(B \s e$B$O0-1F6A$,\>/$J$$$H;W$$$^$7$?$,!#e(B

e$B$=$&$G$9$M!#e(B  
3e$B$D%;%C%H$G7h$a$k$b$N$@$H;W$C$F$$$F!"e(J\d e$B$@$1e(B ASCII  
e$B$K$H$$$&$N$O9M$($b$7$^$;$s$G$7$?!#e(B  
e$B:#9M$(D\>$7$F$b!"0lIt$@$1La$9$N$O:.Mp$N$b$H$K;W$$$^$9!#e(B

e$B$J$\*!“e(Byugui e$B$5$s$,e(B 1.9.1 e$B$N=i4|$N%Q%C%A%j%j!\<%9$Ge(B  
e(J\d \s \w e$B$,e(B Unicode e$B;V8~$J$N$Oe(B  
e$B%P%0$@$HH=CG$7$?$?$a!”:G?7$N%Q%C%A%j%j!\<%9$G$Oe(B ASCII  
e$B;V8~$K:9$7BX$o$C$F$$$^$9!#e(B

2010/2/9 WATANABE Tetsuya [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> e$B$/$@$5$$!#e(B
> 
> \w e$B$r4A;z%3!\<%I$N%^%C%A$9$k$3$H$r4|BT$9$k\>l9g$Ne(B  
> e$BBeMQ%3!\<%I$H$7$Fe(B
> 
> [e$B4A;z%3!\<%I$N:G=ie(B-e$B4A;z%3!\<%I$N=\*$o$je(B]
> 
> e$B$J$I$,$"$j$^$9!#e(BEUC-JP e$B$J$I$O$3$l$G=q$1$J$/$be(B  
> e$B$J$$$N$G$9$,!"B\>$N4A;z%3!\<%I$GMxMQ$7$?$$?M$b!"e(B  
> e$B$3$N5-=R$,$=$N$^$^;H$($k$G$7$g$&$+e(B?

e$B$3$NJ8\>O$+$i$G$O??$K4|BT$9$k$b$N$,2?$+H=CG$7$+$M$^$9$,!“e(B  
e(J\p{Alphabetic} e$B$H$+e(B e(J\p{Ideographic}  
e$B$”$?$j$,5a$a$k$b$N$J$s$8$c$J$$$+$H;W$$$^$9!#e(B

/\p{Alphabetic}/ =~ "e$B$“e(B” #=\> 0  
/\p{Alphabetic}/=~“e$B4Ae(B” #=\> 0  
/\p{Ideographic}/ =~ "e$B$“e(B” #=\> nil  
/\p{Ideographic}/=~“e$B4Ae(B” #=\> 0

Unicode e$B0J30$b$@$C$?$ie(B[[:word:]]e$B$+$Je(B  
/[[:word:]]/ =~ "e$B$“e(B”.encode(“euc-jp”) #=\> 0

---

<div class="post-metadata">

**Author:** ![WATANABE\_Tetsuya](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/w/46a35a/32.png) [@WATANABE\_Tetsuya](https://www.ruby-forum.com/u/WATANABE_Tetsuya)\
**Post date:** [February 9, 2010, 10:34am UTC](https://www.ruby-forum.com/t/trunk-w-match/183159/5 "2010-02-09T10:34:43Z")

</div>

e$BEOJUE/Li$G$9!#e(B

e$B2r@b$"$j$,$H$&$4$6$$$^$9!#e(B

e$B$3$NJU$N;EMM$,=q$+$l$?$b$N$O$"$j$^$;$se(B  
e$B$G$7$g$&$+e(B? e$B\<j;}$A$N%9%/%j%W%H$rJQ99$9$k$N$Ke(B  
e$B;29M$K$5$;$F$$$?$@$-$?$$$N$G$9!#e(B

e$B=q$+$l$F$$$kFbMF$+$i!"e(J\p{Ideographic} e$B$Oe(B  
Unicode e$B$7$+;H$($J$$$h$&$G$9$,!"e(BEUC-JP  
e$B$J$I$G$O;H$($k$h$&$K$J$i$J$$$N$G$7$g$&$+e(B?  
[[:word:]] e$B$Oe(B Unicode e$B$G$O;H$($J$$$N$G$7$g$&$+e(B?

e$B$J$I3NG’$7$?$$$3$H$,$“$k$N$G!”$9$$$^$;$s$,e(B  
e$B$h$m$7$/$\*4j$$$7$^$9!#e(B

2010e$BG/e(B2e$B7ne(B9e$BF|e(B17:53 NARUSE, Yui [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

---

<div class="post-metadata">

**Author:** ![WATANABE\_Tetsuya](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/w/46a35a/32.png) [@WATANABE\_Tetsuya](https://www.ruby-forum.com/u/WATANABE_Tetsuya)\
**Post date:** [February 9, 2010, 3:02pm UTC](https://www.ruby-forum.com/t/trunk-w-match/183159/6 "2010-02-09T15:02:14Z")

</div>

e$BEOJUE/Li$G$9!#e(B

e$B\>pJs$"$j$,$H$&$4$6$$$^$9!#e(B

Unicode e$B$O$$$m$$$mJXMx$K$J$C$F$$$k$s$G$9$M!#e(B

e$B$3$N%I%-%e%a%s%H$r;29M$K$5$;$F$$$?$@$-$^$9!#e(B

2010e$BG/e(B2e$B7ne(B9e$BF|e(B20:10 NARUSE, Yui [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

---

<div class="post-metadata">

**Author:** ![WATANABE\_Tetsuya](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/w/46a35a/32.png) [@WATANABE\_Tetsuya](https://www.ruby-forum.com/u/WATANABE_Tetsuya)\
**Post date:** [February 9, 2010, 12:10pm UTC](https://www.ruby-forum.com/t/trunk-w-match/183159/7 "2010-02-09T12:10:42Z")

</div>

e$B@.@%$G$9!#e(B

(2010/02/09 18:33), WATANABE Tetsuya wrote:

> e$B$3$NJU$N;EMM$,=q$+$l$?$b$N$O$"$j$^$;$se(B  
> e$B$G$7$g$&$+e(B? e$B\<j;}$A$N%9%/%j%W%H$rJQ99$9$k$N$Ke(B  
> e$B;29M$K$5$;$F$$$?$@$-$?$$$N$G$9!#e(B

e$B8=\>u$O0J2\<$,0lHV$^$H$^$C$F$^$9$+$M!#e(B  
[http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/doc/re.rdoc?revision=24992&view=markup](http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/doc/re.rdoc?revision=24992&view=markup)

> e$B=q$+$l$F$$$kFbMF$+$i!"e(B\p{Ideographic} e$B$Oe(B  
> Unicode e$B$7$+;H$($J$$$h$&$G$9$,!"e(BEUC-JP  
> e$B$J$I$G$O;H$($k$h$&$K$J$i$J$$$N$G$7$g$&$+e(B?

Ideographic e$B$H$+$NDj5A$,e(B Unicode  
e$B$r;2\>H$7$F$$$k$N$G$J$i$J$$$G$7$g$&!#e(B  
e$B%_%l%_%lDj5A$H$+$7$?$/$J$$$N$G!#e(B

> [[:word:]] e$B$Oe(B Unicode e$B$G$O;H$($J$$$N$G$7$g$&$+e(B?

e$B$3$A$i$O%(%s%3!\<%G%#%s%0Ld$o$:;H$($^$9!#e(B