Question

How to find the largest substring between two equal characters in a string with TypeScript

Answer 1

function GetLongestSubstring(str: string) {
    const size: number = str.length;
  
    let start: number = 0;
    let end: number = 0;
    let max: number = 0;
    
    for (let i: number = 0; i < size - 1; i++) {
        for (let j: number = i + 1; j < size; j++) {
            if (str[i] == str[j]) {
                let temp = Math.abs(j - i - 1);
                if (temp > max) {
                    max = temp;  
                    start = i + 1;
                    end = j;
                } 
            }
        }
    }
        
    return str.substring(start, end);
}

const str: string = "zXsDtypescriptDkq";

console.log(GetLongestSubstring(str));




/*
run:

"typescript" 

*/

 

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