We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.

|

Prepare
Certify
Compete
Apply

Hiring developers?

Prepare
Regex

Regex

Matching Specific String
EasyMax Score: 5Success Rate: 95.48%

Matching Anything But a Newline
EasyMax Score: 5Success Rate: 83.34%

Matching Digits & Non-Digit Characters
EasyMax Score: 5Success Rate: 97.14%

Matching Whitespace & Non-Whitespace Character
EasyMax Score: 5Success Rate: 97.93%

Matching Word & Non-Word Character
EasyMax Score: 5Success Rate: 98.66%

Matching Start & End
EasyMax Score: 5Success Rate: 97.60%

Matching Specific Characters
EasyMax Score: 10Success Rate: 96.41%

Excluding Specific Characters
EasyMax Score: 10Success Rate: 97.85%

Matching Character Ranges
EasyMax Score: 10Success Rate: 96.34%

Matching {x} Repetitions
EasyMax Score: 20Success Rate: 95.73%

Status

Solved

Unsolved

Difficulty

Easy

Medium

Hard

Subdomains

Introduction

Character Class

Repetitions

Grouping and Capturing

Backreferences

Assertions

Applications

Blog
Scoring
Environment
FAQ
About Us
Support
Careers
Terms Of Service
Privacy Policy

Cookie support is required to access HackerRank

Seems like cookies are disabled on this browser, please enable them to open this website