Question

How to count vowels in a string with TypeScript

Answer 1

function vowel_count(str : string) : number {
  	const vowels = /[aeiou]/gi;
  	const result = str.match(vowels);
  	const count = result.length;
     
  	return count;
}
  
console.log(vowel_count("typescript programming"));
    
    
      
      
/*
run:
  
5
      
*/

 

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