Question

How to check if a string starts with a substring from an array of substrings in TypeScript

Answer 1

function startsWithAny(string: string, substrings: string[]): boolean {
    for (const substring of substrings) {
        // Use startsWith to check if the string starts with the substring
        if (string.startsWith(substring)) {
            return true;
        }
    }
    return false; // Return false if no substring matches
}

const string: string = "abcdefg";
const substrings: string[] = ["xy", "poq", "mnop", "abc", "rsuvw"];

// Check if the string starts with any substring from the array
if (startsWithAny(string, substrings)) {
    console.log("The string starts with a substring from the array.");
} else {
    console.log("The string does not start with any substring from the array.");
}



   
/*
run:
    
"The string starts with a substring from the array." 

*/

 

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