gsub blank

[Pen Ttt]

irb(main):011:0> " gk".gsub("\s","h")
=> "hhhhhgk"
irb(main):012:0> " gk".gsub("\s+","h")
=> " gk"
how can i make " gk" into "hgk"?

 

[Pen Ttt]

i get it

it is " gk".gsub(/\s+/,"h"),not " gk".gsub("\s+","h")

 

[Hassan Schroeder]

irb(main):011:0> " =A0 =A0 gk".gsub("\s","h")
=3D> "hhhhhgk"
irb(main):012:0> " =A0 =A0 gk".gsub("\s+","h")
=3D> " =A0 =A0 gk"
how can i =A0make =A0" =A0 =A0 gk" into =A0"hgk"?

=3D> "hgk"

--=20
Hassan Schroeder ------------------------ (e-mail address removed)
twitter: @hassan

 

[Josh Cheek]

[Note: parts of this message were removed to make it a legal post.]

irb(main):011:0> " gk".gsub("\s","h")
=> "hhhhhgk"
irb(main):012:0> " gk".gsub("\s+","h")
=> " gk"
how can i make " gk" into "hgk"?

Your second example is almost there, except that it is a String, not a
Regexp. Regexp are enclosed with slashes rather than quotes (Regexp has it's
own literal, as opposed to languages like Java, where it needs to be defined
within a String)

" gk".gsub( /\s+/ , "h") # => "hhghkh"