Regex: Um GAS para pesquisa com RegEx no Gmail

The script scans the mailbox, compares the message body with the search pattern and prints any matching messages. Google Apps Script using standard JavaScript functions to perform regex search.

function Search() {var sheet   = SpreadsheetApp.getActiveSheet();var row     = 2;    // Clear existing search results sheet.getRange(2, 1, sheet.getMaxRows() - 1, 4).clearContent();// Which Gmail Label should be searched?var label   = sheet.getRange("F3").getValue();// Get the Regular Expression Search Patternvar pattern = sheet.getRange("F4").getValue();    // Retrieve all threads of the specified labelvar threads = GmailApp.search("in:" + label);      for (var i = 0; i < threads.length; i++) {        var messages = threads[i].getMessages();        for (var m = 0; m < messages.length; m++) {     var msg = messages[m].getBody();      // Does the message content match the search pattern?     if (msg.search(pattern) !== -1) {       // Format and print the date of the matching message      sheet.getRange(row,1).setValue(       Utilities.formatDate(messages[m].getDate(),"GMT","yyyy-MM-dd"));       // Print the sender's name and email address      sheet.getRange(row,2).setValue(messages[m].getFrom());               // Print the message subject      sheet.getRange(row,3).setValue(messages[m].getSubject());       // Print the unique URL of the Gmail message      var id = "https://mail.google.com/mail/u/0/#all/"        + messages[m].getId();      sheet.getRange(row,4).setFormula(        '=hyperlink("' + id + '", "View")');        // Move to the next row      row++;    }   }  }}