With Javascript how would I search the first three letters in a string and see if they match "ABC"?

Question

With Javascript how would I search the first three letters in a string and see if they match "ABC"? Thanks

Answer 1

Using a regular expression:

str.match(/^ABC/);

or using the substring method:

str.substring(0, 3) == 'ABC';

Answer 2

if (/^ABC/.test(aString)) {

}

Answer 3

"ABCDEF".match(/^ABC/)