I need to find count of the vowels in a word. However, when I compare the letters in the word whether they are vowel or not,
For example, what I do is like the one below,
if( word[i] == 'a' || word[i] == 'e' || word[i] == 'i' || word[i] == 'u' ...... ) //the rest is omitted
the if statement gets too long. Is there a way to compare them with a regex or regex-like comparison and give me the number of vowel occurrences in a string?
If you want to find all vowels
String line = "Ahis order was placed for QT3000! OK?";
String pattern = "(?i)[aeiou]";
Pattern r = Pattern.compile(pattern);
Matcher m = r.matcher(line);
while (m.find()) {
System.out.println(m.group(0) );
}
If you want to find number of times they occur you can use replace like
String line = "Ahis order was placed for QT3000! OK?";
String pattern = "(?i)[aeiou]";
System.out.println(line.replaceAll(pattern, "").length());
NOTE :- (?i) is inline modifier which indicates whatever pattern follows it will be case insensitive
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