Marcin Jurczuk wrote:
> Helo here is my problem:
> 
> C:\Documents and Settings\spock>irb
> irb(main):001:0> a="DEL"
> => "DEL"
> irb(main):002:0> b="DELETE"
> => "DELETE"
> irb(main):003:0> b.sub(/a/,'')
> => "DELETE"
> irb(main):004:0> b.sub(/DEL/,'')
> => "ETE"
> irb(main):005:0> quit
> 
> 
> How use variable "a" as sub argument ?

a="DEL"
b="DELETE"
b.sub( /#{a}/, '' )

Zach