# utils/text_helpers.py
import re

def clean_text(text: str) -> str:
    """Basic text cleaning function."""
    text = text.strip()
    # Add more cleaning steps as needed (e.g., normalize whitespace)
    return text

def split_into_words(text: str) -> list[str]:
    """Splits text into words, removing basic punctuation."""
    if not text:
        return []
    # Remove punctuation and split
    text = re.sub(r'[^\w\s]', '', text)
    words = text.lower().split()
    return words

# Add other helper functions relevant to proofreading tasks