For example, there is a long sentence in Cell A1, see the following screenshot. And now you need to find the 3rd occurrence or position of Character c from the text string in Cell A1. Of course, you can count the characters one by one, and get the exact position result.
XPath, the XML Path Language, is a query language for selecting nodes from an XML document.
Campath is a monoclonal antibody that targets an antigen known as CD52, a common antigen found on B and T cells (part of the body's immune system). When the Campath antibody attaches to the CD52 antigen, the body's immune system is activated to destroy these targeted cells in the blood and bone marrow.