Find a good phone number. Searches page for a number with repeating digits, and then searches the rest of the value for more repeating digits.

SearchNumber.js

const firstRepeating = /(\d)\1{1,2}/;
const checkRepeating = /(\d)\1{1,2}/;

const selectElements = document.getElementsByTagName('select');
let matchingValues = '';

for (const selectElement of selectElements) {
	const matchingOptions = selectElement.getElementsByTagName('option');
	for (const option of matchingOptions) {
	  const value = option.value;
	  const index = value.search(firstRepeating);
	  if (index !== -1) {
		const remaining = value.substring(index + 1);
		if (checkRepeating.test(remaining)) {
			matchingValues += `"${value}"\n`;
		}
	  }
	}
  }

  if (matchingValues) {
	alert(`Matching values found:\n${matchingValues}`);
  } else {
	setInterval(() => {
	  location.reload();
	}, 500);
  }