Dash (Hyphen) or Underscore in URLs: Which one to use and when?

Whether to use dashes or underscores in a URL depends on which part of the URL you are changing as well as your purpose. It's not always a simple answer.

New Poll: Hyphens, Underscores, or camelCase?

REST API 最佳实践-腾讯云开发者社区-腾讯云

Em Dashes, 2-Em Dashes, and 3-Em Dashes

Hyphens or Underscore in File Names for SEO

htaccess - Remove hyphen from Wordpress URL & replace with underscore - Stack Overflow

REST API 最佳实践-CSDN博客

Underscores vs. dashes in URLs

Email ID with dash at the end of local part - Super User

Using Dashes & Underscores in URLs: SEO-friendly Approach & Results