JavaScript

Regular Expressions

const string1 = "cat";
const string2 = "cats";
const string3 = "catch";
const string4 = "category";

const regex = ;

console.log(regex.test(string1));
console.log(regex.test(string2));
console.log(regex.test(string3));
console.log(regex.test(string4));


const string1 = "cat";
const string2 = "cats";
const string3 = "catch";
const string4 = "category";

const regex = /cat[^s]/;

console.log(regex.test(string1));
console.log(regex.test(string2));
console.log(regex.test(string3));
console.log(regex.test(string4));
