text: //*******************************************************************************************//
  //                                                                                           //
  // Download Free Evaluation Version From: https://bytescout.com/download/web-installer       //
  //                                                                                           //
  // Also available as Web API! Get Your Free API Key: https://app.pdf.co/signup               //
  //                                                                                           //
  // Copyright © 2017-2020 ByteScout, Inc. All rights reserved.                                //
  // https://www.bytescout.com                                                                 //
  // https://pdf.co                                                                            //
  //                                                                                           //
  //*******************************************************************************************//
  
  
  // `request` module is required for file upload.
  // Use "npm install request" command to install.
  var request = require("request");
  
  // The authentication key (API Key).
  // Get your own by registering at https://app.pdf.co
  const API_KEY = "***********************************";
  
  // Direct URL of source PDF file.
  // You can also upload your own file into PDF.co and use it as url. Check "Upload File" samples for code snippets: https://github.com/bytescout/pdf-co-api-samples/tree/master/File%20Upload/    
  const SourceFileUrl = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-to-text/sample.pdf";
  
  // Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'.
  const Pages = "";
  
  // PDF document password. Leave empty for unprotected documents.
  const Password = "";
  
  // Search string. 
  const SearchString = '[4-9][0-9].[0-9][0-9]'; // Regular expression to find numbers in format dd.dd and between 40.00 to 99.99
  
  // Enable regular expressions (Regex) 
  const RegexSearch = 'True';
  
  // Prepare URL for PDF text search API call.
  // See documentation: https://apidocs.pdf.co
  var query = `https://api.pdf.co/v1/pdf/find`;
  let reqOptions = {
      uri: query,
      headers: { "x-api-key": API_KEY },
      formData: {
          password: Password,
          pages: Pages,
          url: SourceFileUrl,
          searchString: SearchString,
          regexSearch: RegexSearch
      }
  };
  
  // Send request
  request.post(reqOptions, function (error, response, body) {
      if (error) {
          return console.error("Error: ", error);
      }
  
      // Parse JSON response
      let data = JSON.parse(body);
      for (let index = 0; index < data.body.length; index++) {
          const element = data.body[index];
          console.log("Found text " + element["text"] + " at coordinates " + element["left"] + ", " + element["top"]);
      }
  
  });
  