Change first occurrence of character x in a string - how?

[Gary Herron]

The string type has a replace function that does what you want.
Except you can't change a string -- they are immutable -- so this 
creates a new string.


 >>> s = 'linux-raid.vger.kernel.org'
 >>> new_s = s.replace('.', '@', 1)
 >>> new_s
'linux-raid at vger.kernel.org'



On 2/14/21 1:14 PM, cl at isbd.net wrote:
> What's the easiest way to change the first occurrence of a specified
> character in a string?
>
> E.g. I want to change linux-raid.vger.kernel.org to
> linux-raid at vger.kernel.org, it's a fairly general requirement of
> needing to change '.' to '@'.
>
> Alternatively is there an RE 'match' function that would test if
> linux-raid at vger.kernel.org matches linux-raid.vger.kernel.org? I don't
> really care if the '.' are all regarded as wild cards, the match will
> be accurate enough.
>
-- 
Dr. Gary Herron
Professor of Computer Science
DigiPen Institute of Technology
(425) 895-4418