Saw-mon-and-Natalie/instagram-regex.md

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Instagram Regular Expressions for allowed hashtags and mentions / usernames

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instagram-regex.md

Regular expressions for allowed hashtags and usernames on Instagram.

HASH_CHARS = "[#\uFF03]"
MENTION_MARKER = "([@＠])"

default = /(^|[^a-zA-Z0-9_!#$%&*@＠])([@＠])([a-zA-Z0-9_]+(?:\.[a-zA-Z0-9_]+)*)/g

Allowed usernames on instagram can only have the characters a-z, A-Z, digits 0-9, _ (underscore) and . (dot). A dot cannot be followed by a dot and cannot be at the beginning or end of the username.