vowels

README.md

@@ -44,6 +44,25 @@ def countOccurences(arr, val):
 ```python
 countOccurrences([1, 1, 2, 1, 2, 3], 1) # 3
 ```
+### countVowels
+
+Retuns `number` of vowels in provided `string`.
+
+Use a regular expression to count the number of vowels `(A, E, I, O, U)` in a string.
+
+```python 
+import re
+
+
+def countVowels(str):
+    return len(len(re.findall(r'[aeiou]', 'bcedfidsnoxluAEIO', re.IGNORECASE)))
+
+```
+
+``` python
+countVowels('foobar') # 3
+countVowels('gym') # 0
+```
 ### gcd
 
 Calculates the greatest common divisor between two or more numbers/lists.

snippets/countVowels.md

@@ -0,0 +1,19 @@
+### countVowels
+
+Retuns `number` of vowels in provided `string`.
+
+Use a regular expression to count the number of vowels `(A, E, I, O, U)` in a string.
+
+```python 
+import re
+
+
+def countVowels(str):
+    return len(len(re.findall(r'[aeiou]', 'bcedfidsnoxluAEIO', re.IGNORECASE)))
+
+```
+
+``` python
+countVowels('foobar') # 3
+countVowels('gym') # 0
+```