how to handle strings in prolog

Question

i need to check if a string is available in given prolog statement

example

related('also-5','be-8').

i want to check if be is there in this statement how to do?

please give me some link to detailed tutorial on string handling in prolog

Answer 1

Relevant sections in the SWI-Prolog manual:

• Analysing and Constructing Atoms
• Representing text in strings