dollar

<?php
$re = '/\(test(.*?)\)/m';
$str = '(testOne)';
$str2 = "fff";

preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);

if (count($matches) > 0) {
    $str1 = $matches[0][1];
    echo ( $str1 == $str2 ? 'одинаковые' : 'разные' );
}
?>

var jq = document.createElement('script');
jq.src = "js/jquery-3.3.1.min.js";
document.querySelector('body').appendChild(jq);

jq.onload = e => {
    var script = document.createElement('script');
    script.src = "js/scripts.js";
    document.querySelector('body').appendChild(script);
};

var str = "test.example.com";
var pat = "*.example.com";

pat = '^'+pat.replace(/\./g, '\\.').replace(/\*/g,'.*')+'$';
console.log(!!str.match(pat)); //true

leader.soldier = "soldier";
soldier.leader = "leader";

for (let key in obj) {
  if (window[key]) obj[key] = key; //любой ваш критерий
}

var test_leader = soldier.leader && window[soldier.leader];
//Конечно, вместо window у вас будет свой объект-обертка

var s = 'energy|{"Ts":"380158","Va":"232.00","Aa":"0.37","Pa":"56","PFa":"0.65","T0":"18.94"}|div';
s = s.split('|');
s[1] = JSON.parse(s[1]);
console.log(s);
console.log(s[1].Va); //232.00

javascript:alert((e=>{var s=document.body.innerHTML; s = s.split('|'); s[1] = JSON.parse(s[1]); return s[1].Va})())

function test() {
	let x = 123;
	setTimeout("alert(x)",0); // x не видна
}
test();

function onload() {
	function f(){
		console.log('12');
	}
	setInterval(e=>eval("f()"), 1000)
}
onload();