# HackerRank Tweets – HackerRank Solution

In this post, we will solve HackerRank Tweets HackerRank Solution. This problem (HackerRank Tweets) is a part of HackerRank Regex series.

Contents

Increasing popularity of hackerrank can be seen in tweets like

• I love #hackerrank
• I just scored 27 points in the Picking Cards challenge on #HackerRank
• I just signed up for summer cup @hackerrank

Given a set of most popular tweets, your task is to find out how many of those tweets has the stringÂ hackerrankÂ in it.

## Input Format

First line is an integer N. N lines follow. Each line is a valid tweet.

## Constraints

• 1 <= N <= 10
• Each character of the tweet is a valid ASCII character.

## Output Format

Print the total number of tweets that hasÂ hackerrankÂ (case insensitive) in it

Sample Input

``````4
I love #hackerrank
I just scored 27 points in the Picking Cards challenge on #HackerRank
I just signed up for summer cup @hackerrank
interesting talk by hari, co-founder of hackerrank``````

Sample Output

``4``

Explanation

All the 4 lines have the stringÂ hackerrankÂ in them and thus 4.

## Solution – HackerRank Tweets – HackerRank Solution

### Python

```import re
p = re.compile('((h|H)(a|A)(c|C)(k|K)(e|E)(r|R)(r|R)(a|A)(n|N)(k|K))')
t = int(input())
c = 0
for i in range(t):
x = str(input())
c += len(re.findall(p, x))
print(c)
```

Note: This problem (HackerRank Tweets) is generated by HackerRank but the solution is provided by CodingBroz. This tutorial is only for Educational and Learning purpose.