1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
"""Common regular expressions."""
import re
DISCORD_INVITE = re.compile(
r"(discord([.,]|dot)gg|" # Could be discord.gg/
r"discord([.,]|dot)com(/|slash)invite|" # or discord.com/invite/
r"discordapp([.,]|dot)com(/|slash)invite|" # or discordapp.com/invite/
r"discord([.,]|dot)me|" # or discord.me
r"discord([.,]|dot)li|" # or discord.li
r"discord([.,]|dot)io|" # or discord.io.
r"((?<!\w)([.,]|dot))gg" # or .gg/
r")([/]|slash)" # / or 'slash'
r"(?P<invite>\S+)", # the invite code itself
flags=re.IGNORECASE
)
"""
Regex for Discord server invites.
.. warning::
This regex pattern will capture until a whitespace, if you are to use the 'invite' capture group in
any HTTP requests or similar. Please ensure you sanitise the output using something
such as :func:`urllib.parse.quote`.
:meta hide-value:
"""
FORMATTED_CODE_REGEX = re.compile(
r"(?P<delim>(?P<block>```)|``?)" # code delimiter: 1-3 backticks; (?P=block) only matches if it's a block
r"(?(block)(?:(?P<lang>[a-z]+)\n)?)" # if we're in a block, match optional language (only letters plus newline)
r"(?:[ \t]*\n)*" # any blank (empty or tabs/spaces only) lines before the code
r"(?P<code>.*?)" # extract all code inside the markup
r"\s*" # any more whitespace before the end of the code markup
r"(?P=delim)", # match the exact same delimiter from the start again
re.DOTALL | re.IGNORECASE # "." also matches newlines, case insensitive
)
"""
Regex for formatted code, using Discord's code blocks.
:meta hide-value:
"""
RAW_CODE_REGEX = re.compile(
r"^(?:[ \t]*\n)*" # any blank (empty or tabs/spaces only) lines before the code
r"(?P<code>.*?)" # extract all the rest as code
r"\s*$", # any trailing whitespace until the end of the string
re.DOTALL # "." also matches newlines
)
"""
Regex for raw code, *not* using Discord's code blocks.
:meta hide-value:
"""
|
