"""Shared utilities for proposal scripts."""

__copyright__ = """
Part of the Carbon Language project, under the Apache License v2.0 with LLVM
Exceptions. See /LICENSE for license information.
SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
"""

import re


def slugify(title: str) -> str:
    """Returns a robust slug of the title."""
    slug = title.lower()
    slug = re.sub(r"[^a-z0-9]+", "-", slug)
    return slug.strip("-")