day47.js

// js program to perform string comparison

const string1 = 'JavaScript Program';
const string2 = 'javascript program';

// compare both strings
const result = string1.toUpperCase() === string2.toUpperCase();

if(result) {
    console.log('The strings are similar.');
} else {
    console.log('The strings are not similar.');
}



// program to perform string comparison

const string1 = 'JavaScript Program';
const string2 = 'javascript program';

// create regex
const pattern = new RegExp(string1, "gi");

// compare the stings
const result = pattern.test(string2)

if(result) {
    console.log('The strings are similar.');
} else {
    console.log('The strings are not similar.');
}


// program to perform case insensitive string comparison

const string1 = 'JavaScript Program';
const string2 = 'javascript program';

const result = string1.localeCompare(string2, undefined, { sensitivity: 'base' });

if(result == 0) {
    console.log('The strings are similar.');
} else {
    console.log('The strings are not similar.');
}