Count the Number of Special Characters I - Practice Coding | SlaveCode
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3120. Count the Number of Special Characters I
Easy
10 Points
Hash Table
String
You are given a string word. A letter is called special if it appears both in lowercase and uppercase in word.
Return the number of special letters in word.
Examples
Example 1
Input: word = "aaAbcBC"
Output: 3
Explanation:
The special characters in word are 'a' , 'b' , and 'c' .
Example 2
Input: word = "abc"
Output: 0
Explanation:
No character in word appears in uppercase.
Example 3
Input: word = "abBCab"
Output: 1
Explanation:
The only special character in word is 'b' .
Constraints
1 <= word.length <= 50
word consists of only lowercase and uppercase English letters.
3120. Count the Number of Special Characters I
Easy
10 Points
Hash Table
String
You are given a string word. A letter is called special if it appears both in lowercase and uppercase in word.
Return the number of special letters in word.
Examples
Example 1
Input: word = "aaAbcBC"
Output: 3
Explanation:
The special characters in word are 'a' , 'b' , and 'c' .
Example 2
Input: word = "abc"
Output: 0
Explanation:
No character in word appears in uppercase.
Example 3
Input: word = "abBCab"
Output: 1
Explanation:
The only special character in word is 'b' .
Constraints
1 <= word.length <= 50
word consists of only lowercase and uppercase English letters.