# \[Feature #679\] Integer#to\_s(:step=\>3, :sep=\>",") $B$,M\_$7$$(B

**URL:** <https://www.ruby-forum.com/t/feature-679-integer-to-s-step-3-sep-b-m-7-b/151587>\
**Category:** Development\
**Created:** [October 23, 2008, 7:56am UTC](https://www.ruby-forum.com/t/feature-679-integer-to-s-step-3-sep-b-m-7-b/151587 "2008-10-23T07:56:47Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Takeyuki\_F](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/96bed5/32.png) [@Takeyuki\_F](https://www.ruby-forum.com/u/Takeyuki_F)\
**Post date:** [October 23, 2008, 7:56am UTC](https://www.ruby-forum.com/t/feature-679-integer-to-s-step-3-sep-b-m-7-b/151587/1 "2008-10-23T07:56:47Z")

</div>

Feature #679: Integer#to\_s(:step=\>3, :sep=\>“,”) e$B$,M\_$7$$e(B  
[http://redmine.ruby-lang.org/issues/show/679](http://redmine.ruby-lang.org/issues/show/679)

e$B5/I\<\<Te(B: Takeyuki F.  
e$B%9%F!\<%?%9e(B: Open, e$BM%@hEYe(B: Normal  
e$B%+%F%4%je(B: core, Target version: 1.9.x

e$B$3$l$Oe(BIntegere$B$re(BStringe$B$KJQ49$9$k$H$-$Ke(B  
12345678.to\_s(:step=\>3,:sep=\>“,”) #=\> “1,2345,678”  
12345678.to\_s(:step=\>4,:sep=\>“'”) #=\> “1234’5678”  
e$B$H$J$k$b$N$G$9!#e(B  
e$B$3$A$i$O$$$+$,$G$7$g$&!)e(B