sorry.gs

/* 
  Sorry Counter
  =============
  
  Instructions:
  - go to script.google.com
  - new project
  - paste this in, save, select "run"
  - give the script permissions to search your email
  - enjoy learning how apologetic you are
*/

const sorryCounter = function () {
  // get your email
  const yourEmail = Session.getActiveUser().getEmail();

  // get threads with 'sorry'
  let lastArray = ['start'];
  let threadList = [];
  let startNumber = 0;
  const searchIncrement = 100;

  while (lastArray.length !== 0) {
    let currentArray = GmailApp.search('sorry from:me', startNumber, searchIncrement);
    threadList = threadList.concat(currentArray);
    startNumber += searchIncrement;
    lastArray = currentArray;

    Logger.log("Found " + threadList.length + " threads ... searching");
  }
  Logger.log("Finished search. Now counting...");

  // get all emails in threads
  let messageList = [];
  for (thread of threadList) {
    messageList = messageList.concat(thread.getMessages());
  }

  // count individual emails with 'sorry' from you
  let sorryCount = 0;
  for (message of messageList) {
    let author = message.getFrom().match(/<(.+)>/) ? message.getFrom().match(/<(.+)>/)[1] : message.getFrom();
    let subject = message.getSubject();
    let content = message.getPlainBody();

    if (author === yourEmail && (subject.match(/sorry/i) || content.match(/sorry/i))) {
      sorryCount += 1;
    }
  }

  Logger.log("Found " + sorryCount + " emails from you containing 'sorry'");
}