alias Pleroma.Emoji
@tag_regex ~r/\#\w+/u
+ @markdown_characters_regex ~r/(`|\*|_|{|}|[|]|\(|\)|#|\+|-|\.|!)/
+
def parse_tags(text, data \\ %{}) do
Regex.scan(@tag_regex, text)
|> Enum.map(fn ["#" <> tag = full_tag] -> {full_tag, String.downcase(tag)} end)
def parse_mentions(text) do
# Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address
regex =
- ~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]*@?[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*/u
+ ~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]*@?[a-zA-Z0-9_-](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*/u
Regex.scan(regex, text)
|> List.flatten()
|> Enum.join("")
end
+ @doc """
+ Escapes a special characters in mention names.
+ """
+ @spec mentions_escape(String.t(), list({String.t(), any()})) :: String.t()
+ def mentions_escape(text, mentions) do
+ mentions
+ |> Enum.reduce(text, fn {name, _}, acc ->
+ escape_name = String.replace(name, @markdown_characters_regex, "\\\\\\1")
+ String.replace(acc, name, escape_name)
+ end)
+ end
+
@doc "changes scheme:... urls to html links"
def add_links({subs, text}) do
links =