Regular Expressions

Text Input

function checkRE() {
    if (inp.value) {
        const exp = new RegExp(arrPattern,'g');
        const str = "$&";
        let firstFind =inp.value.replace(exp, str);
		const exp2 = new RegExp(strPattern,'g');
        const str2 = "$&";
		out.innerHTML = firstFind.replace(exp2,str2);

    }
}