function myFunction() { var thread = GmailApp.getInboxThreads() for (let x = 0; x < thread.length; x++ ) { if (thread[x].getMessages().length == 1) { var message = thread[x].getMessages()[0]; if (message.getFrom().includes("do-not-reply@gong.io")) { var messageBody = message.getPlainBody(); var subject = message.getSubject().split(":")[0] Logger.log(subject) var messageSub = messageBody.substring( messageBody.indexOf("Next steps"), messageBody.lastIndexOf("Want to") ); var messagechunks = messageSub.split(/\d/); for (let i = 0; i < messagechunks.length; i++) { Logger.log(messagechunks[i]) } // // if (messagechunks[i].includes("Next Steps")) { // // Logger.log(messagechunks[i]) // // } } } } }