Re: Find a char in string

[John Ankarström]

Den 2021-06-23 kl. 21:48 skrev Wim Stockman:
> Is there a function in groff to find the position of a char in a string.
> So I can split a string into more than one.
> I found the substring function that can cut based on length. If I could my
> marker in the string I could cut it there.

Heirloom troff has an .index request:

.index R xx string : Store position where string occurs in xx in register R

Perhaps it should be considered for inclusion in groff.