30-seconds-of-code/snippets/slugify.md

title, tags

title	tags
slugify	function,intermediate

Convert a string to a URL-friendly slug.

• Make the string lowercase and remove leading or trailing whitespace.
• Remove all characters that are not words, whitespace or hyphens.
• Replace whitespace with a single hyphen (-).
• Remove any leading or trailing hyphens.

const slugify = (string) => {
  const slug = string
    .toLowerCase()
    .trim()
    .replace(/[^\w\s-]/g, '')
    .replace(/[\s_-]+/g, '-')
    .replace(/^-+|-+$/g, '');
  return slug;
};

slugify('Hello World!'); // 'hello-world'