Search and highlight teXt in PDF using C#. Learn how to search in PDF using C#, find keywords, eXtract matches, use regeX, and redact sensitive data....Text: invoice Page: 1 Position - X: 33.482, Y: 708.246 Font: Helvetica...Text: invoice Page: 2 Position - X: 33.482, Y: 708.246 Font: Helvetica...