Question

How to remove the last occurrence of a word from a string in TypeScript

Answer 1

function removeLastOccurrenceOfAWordFromAString(str: string, word: string) {
    // Find the position of the last occurrence of word in str
    const pos: number = str.lastIndexOf(word);
 
    if (pos !== -1) {
        str = str.substring(0, pos) + str.substring(pos + word.length);
    }
 
    return str;
}
 
const str: string = "typescript c python typescript c++ typescript php rust";
const word: string = "typescript";
 
const result: string = removeLastOccurrenceOfAWordFromAString(str, word);
 
console.log(result);
 
 
 
/*
run:
 
"typescript c python typescript c++  php rust" 
 
*/

 

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