title: How to replace a text in pdf file with ITextPDF library?
body: <p>I have a requirement to replace a placeholder like ${placeholder} with an actual value, but I could not find any working solution... I've ben following by <a href="https://itextpdf.com/en/resources/examples/itext-7/replacing-pdf-objects" rel="nofollow noreferrer">https://itextpdf.com/en/resources/examples/itext-7/replacing-pdf-objects</a> and it doesn't work. Does anybody know how to do it?</p>