Expressions

Question 1

Regular expressions

Answer 1

-Used in programming languages to match parts of strings.

Question 2

Test method

Answer 2

-Many ways to test regexes.

Code:
-.test()
- let myString = "Hello, World!";
let myRegex = /Hello/;
let result = myRegex.test(myString); // Change this line

console.log(result);

• Applies to strings placed in the ()
• Returns true or false

Question 3

Match literal strings with different possibilities

Answer 3

• Use the alternation or OR operator
• Matches patterns either before or after it
• Can search for more than one pattern (add more OR operators)

Code:
‘|’

myPetRegex = /cat|bird|dog|fish/