Скачать или смотреть Part 20 | JavaScript Tutorial | Regular expressions in JavaScript | Regex | Test | Exec | Replace

Contents:-
Regular expression methods
1. test
2. exec

Using the regex methods
1. replace

174. Write a program to remove all special characters from the given string.
let a = "trints tech3 986 axy 786 %%%%$$$$$###";
Output: trints tech3 986 axy 786

175. Write a program to remove all characters other than a-zA-Z from the given string.
let a = "trints tech3 986 axy 786 %%%%$$$$$###";
Output: trints tech axy

176. Write a program to remove all characters other than numbers from the given string.
let a = "trints tech3 986 axy 786 %%%%$$$$$###";
Output: 3 986 786

177. Write a program to find all the numbers from the given string and calculate the sum.
let a = "trints tech3 986 axy 786 %%%%$$$$$###";
Output: 3+986+786 = 1775

178. Check the given string has atleast one number. If number available then return true.
let a = "trints tech3 986 axy 786 %%%%$$$$$###";
Output: true

179. Check the given string has atleast one Capital letter. If available then return true.
let a = "trints tech3 986 axy 786 %%%%$$$$$###";
Output: false

180. Check the given string has atleast one letter and number. If available then return true.
let a = "trints tech3 986 axy 786 %%%%$$$$$###";
Output: true