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Hacker rank Problem Name: 10 Days of JavaScript - Day 7: Regular Expressions III

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
2
3
4
5
6
102
1948948
1
3
4
5

 

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
2
3
1
2
3

 

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;
}

Copy The Code & Try With Live Editor

Input

x
+
cmd
102, 1948948 and 1.3 and 4.5

Output

x
+
cmd
102 1948948 1 3 4 5
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