Understand the difference between E.164 and E.123 phone number formats, when to use each, and how to convert between them for SMS APIs, databases, and display.
Turn Google Sheets into a lightweight database with Apps Script. Learn CRUD operations, API endpoints, structured queries, and when to use Sheets vs a real database.
Copy-paste regex patterns for validating phone numbers in E.164, US, UK, Indian, and international formats across JavaScript, Python, and Google Sheets.
Learn how to validate, format, and clean phone numbers in Google Sheets using formulas, regex, Apps Script, and the E.164 standard.
Learn 3 ways to send emails directly from Google Sheets — Apps Script, Google Forms triggers, and third-party add-ons. Includes templates and code examples.