Uppercase and Lowercase with Apps Script
To convert a string to uppercase or lowercase, use one of the following methods:
- String.toUpperCase(): uppercase
- String.toLowerCase(): lowercase
Usage Examples
Converting a string to uppercase:
const ref = 'eTv5-8zUi-oP0wq';
console.log(ref.toUpperCase()); // Returns: ETV5-8ZUI-OP0WQ
Converting a string to lowercase:
const email = 'Mon-Email@DOMAIN.test';
console.log(email.toLowerCase()); // Returns: mon-email@domain.test
First Character in Uppercase
First, copy the following function:
function ucfirst(str) {
// Source: https://www.sheets-pratique.com/en/codes/uppercase-lowercase
return str[0].toUpperCase() + str.slice(1);
}
Then use it like this:
const test = 'example';
console.log(ucfirst(test)); // Returns: Example