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Search for text in a PDF in Node.js

To search for text in a PDF using regular expression.

const doc = await PDFNet.PDFDoc.createFromURL(filename);
const txtSearch = await PDFNet.TextSearch.create();
let mode = PDFNet.TextSearch.Mode.e_whole_word + PDFNet.TextSearch.Mode.e_page_stop; // Uses both whole word and page stop
let pattern = '';

//use regular expression to find credit card number
mode += PDFNet.TextSearch.Mode.e_reg_expression + PDFNet.TextSearch.Mode.e_highlight;
pattern = '\\d{4}-\\d{4}-\\d{4}-\\d{4}'; // or "(\\d{4}-){3}\\d{4}"

//call Begin() method to initialize the text search.
txtSearch.begin(doc, pattern, mode);
const result = await;

Search PDF files for text
Full code sample which shows how to use TextSearch to search text on PDF pages using regular expressions.

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