find index of letter in string js code example

Example 1: get index of first number in string javascript

var str = "Se7en";
var search = str.search(/\d/);
console.log("first digit at: ", search); // first digit at: 2

Example 2: js find index of string in string

// Find the index of a string in a given sentence
function findNemo(sentence) {
	let indexOfFirst = sentence.split(' ').indexOf('Nemo') + 1;
	if(indexOfFirst >= 0){
		return `I found Nemo at ${indexOfFirst}!`;
	}
	return ("I can't find Nemo :(");
}


console.log(findNemo("I am finding Nemo !"));   //"I found Nemo at 4!"
console.log(findNemo("Nemo is me"));            //"I found Nemo at 1!"
console.log(findNemo("I Nemo am"));             //"I found Nemo at 2!"