D.15.5.9 xchange
Procedure from library
findifs.lib
(see
findifs_lib
).
Usage:
xchange(w,a,b); w,a,b strings
Return:
string
Purpose:
exchanges substring 'a' with a substring 'b' in the string w
Note:
Example:
User manual for
Singular
version 3-1-7, Aug 2013, generated by
texi2html
.