Re: Replace sub-string

[David Pirotte]

Hello,

> On 2020-05-22 8:38 pm, Freeman Gilmore wrote:
> > Is there a procedure, to replace 'all' occurrences of a sub-string
> > within a string. with a string?
> > If so please give an example.  
 
> regexp-substitute/global [1] should do the job.
 
> [1]: 
> https://www.gnu.org/software/guile/docs/docs-1.8/guile-ref/Regexp-Functions.html#Regexp-Functions
 
> ;;;;
 
> (regexp-substitute/global #f
>    "(c|sh|w)ould of"
>    "I would of done that if I could of."
>    'pre 1 "ould have" 'post)
> ...

Fwiw, I wrote a none regex version, inspired by a similar code I found
in guix, it is here [1], feel free to snarf it ... Guile 3.0 also has a
version, in (ice-9 string-fun), a complete diff implementation [2] ...

David

[1]     Grip - string-replace-all

        http://git.savannah.nongnu.org/cgit/grip.git/tree/grip/string.scm

[2]     Guile 3.0 - string-replace-substring

        
http://git.savannah.gnu.org/cgit/guile.git/tree/module/ice-9/string-fun.scm?h=master

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