xslt replace \n with only in one node?

Question

Hey I have a node which contains a message such as

string1
string 2
sting3

but however when it r

Answer 1

Call this template on the string you want to process:

Like this (it will work on the current node):

or like this, explicitly passing a parameter:

I think you are working with an XSLT 1.0 processor, whereas replace() is a function that has been introduced with XSLT/XPath 2.0.