Algorithm
Hacker rank Problem Name: 10 Days of JavaScript -
Hacker rank Problem Link: https://www.hackerrank.com/challenges/js10-regexp-3/problem?isFullScreen=true
Day 7: Regular Expressions III
Task
Complete the function in the editor below by returning a RegExp object, re, that matches every integer in some string s.
Constraints
- The length of string s is >= 3.
- It’s guaranteed that string s contains at least one integer.
Output Format
The function must return a RegExp object that matches every integer in some string s.
Sample Input 0
1
|
102, 1948948 and 1.3 and 4.5
|
Sample Output 0
1 |
102 |
Explanation 0
When we call match on string s and pass the correct RegExp as our argument, it returns the following array of results: [ ‘102’, ‘1948948’, ‘1’, ‘3’, ‘4’, ‘5’ ].
Sample Input 1
1
|
1 2 3
|
Sample Output 1
1 |
1 |
Explanation 1
When we call match on string s and pass the correct RegExp as our argument, it returns the following array of results: [ ‘1’, ‘2’, ‘3’ ].
Code Examples
#1 Code Example with Javascript Programming
Code -
Javascript Programming
'use strict';
process.stdin.resume();
process.stdin.setEncoding('utf-8');
let inputString = '';
let currentLine = 0;
process.stdin.on('data', inputStdin => {
inputString += inputStdin;
});
process.stdin.on('end', _ => {
inputString = inputString.trim().split('\n').map(string => {
return string.trim();
});
main();
});
function readLine() {
return inputString[currentLine++];
}
function regexVar() {
/*
* Declare a RegExp object variable named 're'
* It must match ALL occurrences of numbers in a string.
*/
var re = RegExp('\\d+', 'g');
// var re=RegExp('g');
/*
* Do not remove the return statement
*/
return re;
}
Input
Output