YouTube Channel ID Regular Expression
A regular expression to match a YouTube Channel ID.
/https?:\/\/(www\.)?youtube.com\/channel\/UC([-_a-z0-9]{22})/i
Youtube Regular Expressions
Youtube Video Link Regular Expression
A regular expression that matches all valid Youtube Video Links (short links are supported as well).
/http(?:s?):\/\/(?:www\.)?youtu(?:be\.com\/watch\?v=|\.be\/)([\w\-\_]*)(&(amp;)?[\w\?=]*)?