# String#slice!

**URL:** <https://www.ruby-forum.com/t/string-slice/113122>\
**Category:** Development\
**Created:** [August 27, 2007, 8:46pm UTC](https://www.ruby-forum.com/t/string-slice/113122 "2007-08-27T20:46:10Z")\
**Posts on this page:** 2\
**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:** [August 27, 2007, 8:46pm UTC](https://www.ruby-forum.com/t/string-slice/113122/1 "2007-08-27T20:46:10Z")

</div>

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

String#slice! e$B$NLaCM$J$N$G$9$,!"$\*$+$7$$$h$&$G$9!#e(B

ruby 1.9 trunk 13289

------------------------------ e$B:F8=%3!\<%Ie(B  
l = “1234\n234\n34\n4\n”

## while j = l.slice!(/\A.\*\n/) p j end

------------------------------ e$B\<B9T7k2Le(B  
$ ruby -v  
ruby 1.9.0 (2007-08-27 patchlevel 0) [i686-linux]  
$ ruby j.rb  
“1234\n”  
“4\n4\n”  
“\0004\n”  
“4\n”

## $ /usr/bin/ruby -v ruby 1.8.2 (2004-11-03) [i386-linux] $ /usr/bin/ruby j.rb “1234\n” “234\n” “34\n” “4\n”

e$B:F8=%9%/%j%W%H$Ne(B

* * *

## l = “1234\n234\n34\n4\n”

e$B$re(B

* * *

## l = “123\n23\n3\n”

e$B$K$9$k$H8=\>]$O5/$-$J$$$h$&$G$9!#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:** [August 28, 2007, 9:13am UTC](https://www.ruby-forum.com/t/string-slice/113122/2 "2007-08-28T09:13:17Z")

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e$BCfED$5$s$Xe(B

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

e$B=$@5$G8=\>]$,\<#$^$C$?$3$H$r3NG’$7$^$7$?!#e(B  
e$BBP1~$"$j$,$H$&$4$6$$$^$9!#e(B

In message “[ruby-dev:31665] String#slice!”  
on 07/08/28, WATANABE Tetsuya e$B$5$se(B writes:

|String#slice! e$B$NLaCM$J$N$G$9$,!"$\*$+$7$$$h$&$G$9!#e(B