Let’s say we have a string like +7(903)-123-45-67 and want to find all numbers in it.… But unlike before, we are interested not in single digits, but full numbers: 7, 903, 123, 45, 67.… Let’s return to the string +7(
Consider a practical task – we have a phone number like "+7(903)-123-45-67", and we need to… In the beginning of the chapter we saw how to make a number-only phone number from a string like +7(903
There are 7 primitive types: string, number, bigint, boolean, symbol, null and undefined.
The first number \d+ has 7 digits, and then a number of 2 digits:… The first number has 7 digits, and then two numbers of 1 digit each:
Without them: a = 1 + 2, 3 + 4 evaluates + first, summing the numbers into a = 3, 7, then the assignment
We’ll try to write something like "1bn" for a billion or "7.3bn" for 7 billion 300