Finds email / name in specific email provided by Segovia, and replaced FROM value with these values

replace-email.php

<?php

define('FILE_IN', 'in.txt');
define('FILE_OUT', 'out.txt');

$original = file_get_contents(FILE_IN);

$res = preg_match('/Your Full Name:[^a-z]*(?P<fullName>[a-z ]+)[^a-z]*Email:[^a-z]*(?P<email>[1-9a-z@ \.]+)/is', $original, $matches);
if (!$res) exit;

$fullName = trim($matches['fullName']);
$email = trim($matches['email']);

$replaced = str_replace(
	'From: Form Processor <[email protected] (mailto:[email protected])>',
	"From: $fullName <$email (mailto:$email)>",
	$original);

file_put_contents(FILE_OUT, $replaced);