Sharkquiz Proxy

To specify the data of a proxy server in the Opera browser, you need to follow the algorithm below:

Open the browser.
Click on the Opera icon in the upper left corner.
Go to "Settings".
Select the "Advanced" option.
Scroll down to the "System" tab.
Click "Open proxy settings for computer".
Click on "Network settings".
Activate the "Use a proxy server" option.
In the tab that opens, specify the IP address of the proxy server. The address must be entered in the field of the protocol to which the proxy server belongs. You can get this information from your proxy provider. Click "OK" to save your settings.

In Perl, regular expressions (regex) are a powerful tool for parsing and manipulating text. Below is a basic example of using Perl regex to parse text. Please note that the regex patterns and the parsing logic depend on the specific structure of your text data.

Let's assume you have a simple text string with information about people, and you want to extract names and ages. Here's an example:

use strict;
use warnings;

my $text = "John Doe, age 30; Jane Smith, age 25; Bob Johnson, age 40";

# Define a regex pattern to match names and ages
my $pattern = qr/(\w+\s+\w+),\s+age\s+(\d+)/;

# Use the regex pattern to extract information
while ($text =~ /$pattern/g) {
    my $name = $1;
    my $age = $2;
    print "Name: $name, Age: $age\n";
}

In this example:

• The text contains information about people, where each entry is separated by a semicolon.

• The regex pattern (\w+\s+\w+),\s+age\s+(\d+) is used to match names and ages. Breaking down the pattern:

  • (\w+\s+\w+): Matches names consisting of one or more word characters (letters, digits, underscores) separated by whitespace.
  • ,: Matches the comma separating the name and age.
  • \s+age\s+: Matches the string "age" surrounded by whitespace.
  • (\d+): Matches one or more digits representing the age.

• The while ($text =~ /$pattern/g) loop iterates through matches found in the text.

• Inside the loop, $1 and $2 capture the matched name and age, respectively.

To connect a VPN extension to Selenium, you can follow these steps:

Install a VPN extension in your browser (e.g., Chrome, Firefox).

Use Selenium to open the browser with the VPN extension enabled.

Connect to the VPN using the extension's API (if available) or by automating the extension's UI.

Here's an example using Python and Chrome

Install a VPN extension:

For this example, we'll use the "Holiday" VPN extension for Chrome. You can install it from the Chrome Web Store: https://chrome.google.com/webstore/detail/holiday-vpn-unblock-webs/bhlhgkdgcbhbjnjlfhkjpjikfhjjlkpk

Open the browser with the VPN extension enabled:

from selenium import webdriver
from selenium.webdriver.chrome.options import Options

options = Options()
options.add_extension("path/to/holiday-vpn-unblock-webs.crx")

driver = webdriver.Chrome(options=options)
driver.get("https://www.example.com")

Connect to the VPN using the extension's API (if available).

Currently, there is no public API for the "Holiday" VPN extension. In this case, you can automate the extension's UI to connect to the VPN.

from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

# Locate the VPN connect button
connect_button = driver.find_element(By.CSS_SELECTOR, "#vpn-connect-button")

# Click the connect button
connect_button.click()

# Wait for the connection to be established
WebDriverWait(driver, 10).until(EC.invisibility_of_element(By.CSS_SELECTOR, "#vpn-connect-button"))

Note that this example assumes the VPN extension has a UI element with the ID vpn-connect-button. You'll need to inspect the extension's UI and update the CSS selector accordingly.

Keep in mind that using a VPN extension in Selenium might not be the most reliable or efficient way to simulate a user in a real-world scenario. VPNs can also introduce additional latency and may not be suitable for performance testing. Instead, consider using a proxy service or a VPN service with an API for more reliable and efficient testing.

Most often Yandex bans only public proxies that can be used by many users at the same time. The main reason for this is the high probability of cyber-attacks. Proxies are often used for DDoS, which means artificially overloading the server by sending a large number of requests to it every second.

If you plan to use a proxy every day, it is recommended to pay attention to paid services. There, the connection is as reliable as possible, with no bandwidth limitations. However, the performance of numerous free proxies is not guaranteed.