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How to get how many times a character occurs in a string with JavaScript?

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Sometimes, we want to get how many times a character occurs in a string with JavaScript.

In this article, we’ll look at how to get how many times a character occurs in a string with JavaScript.

How to get how many times a character occurs in a string with JavaScript?

To get how many times a character occurs in a string with JavaScript, we can use the string match method.

For instance, we write

const string = "aajlkjjskdjfAlsjfghgfjjgfkk";
console.log(string.match(/a/gi).length)

to call string.match with a regex that matches all instances of 'a' in a case insensitive manner.

match returns an array of matches, so we can use the length property to get the count of the matches.

Conclusion

To get how many times a character occurs in a string with JavaScript, we can use the string match method.

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