JAVASCRIPT

tolowercase

const sentence = 'The quick brown fox jumps over the lazy dog.';

console.log(sentence.toLowerCase());
// expected output: "the quick brown fox jumps over the lazy dog."

.toLowerCase

let string = `Your Text Here`.toLowerCase(); //returns "your text here"

lowercase

/[A-Z]/  : 'must contain one uppercase'

/([a-z])/  : 'must contain one lowercase'

/(d)/  : 'must contain one number'

/(W)/  : 'must contain one special character'

how to use .tolowercase

.toLowerCase is a command you can you to make pieces of string 
into lowercase when printed with console.log
Ex. 
// This is the variable we will be using
let Greeting = 'Hi!';
//Then, we reassign the variable to use the command
Greeting = .toLowercCase
// Print = hi!

Happy Codings!