import re

# Constants
PROGRESS_BAR_LENGTH = 10

def extract_url_from_string(text: str):
    """
    Extracts the first URL from a string
    """

    url_pattern = re.compile(r'https?://\S+')
    match = url_pattern.search(text)

    if match:
        return match.group(0)
    else:
        return None

def render_progress_bar(percent: int, length: int = PROGRESS_BAR_LENGTH) -> str:
    """Renders a progress bar with the given percentage."""
    filled = int(length * percent // 100)
    bar = "█" * filled + " " * (length - filled)
    return f"[{bar}] {percent}%"