<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">import re

from .utils import validator

slug_regex = re.compile(r'^[-a-zA-Z0-9_]+$')


@validator
def slug(value):
    """
    Validate whether or not given value is valid slug.

    Valid slug can contain only alphanumeric characters, hyphens and
    underscores.

    Examples::

        &gt;&gt;&gt; slug('my.slug')
        ValidationFailure(func=slug, args={'value': 'my.slug'})

        &gt;&gt;&gt; slug('my-slug-2134')
        True

    .. versionadded:: 0.6

    :param value: value to validate
    """
    return slug_regex.match(value)
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