[HackerRank][Regex]

■  Positive Lookbehind
■  Split the Phone Numbers

■  Matching Same Text Again & Again


■  Negative Lookbehind


■  HackerRank Tweets

■  Utopian Identification Number
■  Negative Lookahead
■  Find HackerRank

■  Saying Hi



■  Build a Stack Exchange Scraper

■  Detecting Valid Latitude and Longitude Pairs
■  Alien Username
■  Branch Reset Groups
■  Backreferences To Failed Groups
■  The British and American Style of Spelling
■  Detect HTML Attributes

■  Valid PAN format
■  Detect HTML Tags
■  HackerRank Language
■  IP Address Validation
■  UK and US: Part 2
■  Find A Sub-Word
■  Forward References

 

■  Positive Lookahead

99.41%

 

 

 

 

■  Matching Word & Non-Word Character

98.72%

 

■  Positive Lookbehind

98.46%

 

■  Split the Phone Numbers

98.09%

 

■  Matching Whitespace & Non-Whitespace Character

98.04%

 

■  Matching Same Text Again & Again

97.91%

 

■  Excluding Specific Characters

97.91%

 

■  Matching {x, y} Repetitions

97.87%

 

■  Negative Lookbehind

97.87%

 

■  Matching Start & End

97.64%

 

■  Matching Digits & Non-Digit Characters

97.35%

 

■  HackerRank Tweets

97.33%

 

■  Matching Ending Items

97.30%

 

■  Utopian Identification Number

97.15%

 

■  Negative Lookahead

97.09%

 

■  Find HackerRank

97.09%

 

■  Matching Word Boundaries

96.97%

 

■  Saying Hi

96.96%

 

■  Matching Specific Characters

96.41%

 

■  Matching Character Ranges

96.37%

 

■  Matching Specific String

96.11%

 

■  Build a Stack Exchange Scraper

95.83%

 

■  Matching {x} Repetitions

95.70%

 

Detecting Valid Latitude and Longitude Pairs

95.59%

 

Alien Username

95.45%

 

Branch Reset Groups

95.22%

 

Backreferences To Failed Groups

94.71%

 

The British and American Style of Spelling

94.40%

 

Detect HTML Attributes

94.34%

 

Alternative Matching

94.21%

 

Valid PAN format

93.68%

 

Detect HTML Tags

93.54%

 

HackerRank Language

92.81%

 

IP Address Validation

91.62%

 

UK and US: Part 2

91.50%

 

Find A Sub-Word

90.70%

 

Forward References

89.56%

 

Matching Anything But a Newline

83.71%

 

 

[HackerRank][Regex] Matching One Or More Repetitions

99.45%

 

[HackerRank][Regex] Positive Lookahead

99.41%

 

[HackerRank][Regex] Capturing & Non-Capturing Groups

98.97%

 

[HackerRank][Regex] Matching Zero Or More Repetitions

98.96%

 

[HackerRank][Regex] Matching Word & Non-Word Character

98.72%

 

[HackerRank][Regex] Positive Lookbehind

98.46%

 

[HackerRank][Regex] Split the Phone Numbers

98.09%

 

[HackerRank][Regex] Matching Whitespace & Non-Whitespace Character

98.04%

 

[HackerRank][Regex] Matching Same Text Again & Again

97.91%

 

Excluding Specific Characters

97.91%

 

Matching {x, y} Repetitions

97.87%

 

Negative Lookbehind

97.87%

 

Matching Start & End

97.64%

 

Matching Digits & Non-Digit Characters

97.35%

 

HackerRank Tweets

97.33%

 

Matching Ending Items

97.30%

 

Utopian Identification Number

97.15%

 

Negative Lookahead

97.09%

 

Find HackerRank

97.09%

 

Matching Word Boundaries

96.97%

 

Saying Hi

96.96%

 

Matching Specific Characters

96.41%

 

Matching Character Ranges

96.37%

 

Matching Specific String

96.11%

 

Build a Stack Exchange Scraper

95.83%

 

Matching {x} Repetitions

95.70%

 

Detecting Valid Latitude and Longitude Pairs

95.59%

 

Alien Username

95.45%

 

Branch Reset Groups

95.22%

 

Backreferences To Failed Groups

94.71%

 

The British and American Style of Spelling

94.40%

 

Detect HTML Attributes

94.34%

 

Alternative Matching

94.21%

 

Valid PAN format

93.68%

 

Detect HTML Tags

93.54%

 

HackerRank Language

92.81%

 

IP Address Validation

91.62%

 

UK and US: Part 2

91.50%

 

Find A Sub-Word

90.70%

 

Forward References

89.56%

 

Matching Anything But a Newline

83.71%

 

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {    

    public static void main(String[] args) {
        
        Regex_Test tester = new Regex_Test();
        tester.checker("__________"); // Use \\ instead of using \ 
    
    }
}

class Regex_Test {

    public void checker(String Regex_Pattern){
    
        Scanner Input = new Scanner(System.in);
        String Test_String = Input.nextLine();
        Pattern p = Pattern.compile(Regex_Pattern);
        Matcher m = p.matcher(Test_String);
        System.out.println(m.find());
    }   
    
}

var Regex_Pattern = /__________/; //Do not delete '/'. Replace __________ with your regex.

function processData(Test_String) {
    //Enter your code here
    
    console.log(!!Test_String.match(Regex_Pattern));
} 

process.stdin.resume();
process.stdin.setEncoding("ascii");
_input = "";
process.stdin.on("data", function (input) {
    _input += input;
});

process.stdin.on("end", function () {
   processData(_input);
});