Sorry, if I have misunderstood. Your question is a little bit confusing and my english isn't the best.
ISBN:\s?[0-9xX-]{17} will find e.g.
ISBN: 978-0-596-80252-3
School Code:\s\d{8} will find e.g.
School Code: 12345678
Sorry, if I have misunderstood. Your question is a little bit confusing and my english isn't the best.
ISBN:\s?[0-9xX-]{17} will find e.g.
ISBN: 978-0-596-80252-3
School Code:\s\d{8} will find e.g.
School Code: 12345678