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fix: Adjust emoji ranges to have less false positives 

Before too many characters, e.g. kanji, were incorrectly detected
as emoji
This commit is contained in:
Sorunome 2021-07-09 20:53:49 +02:00
parent 4735d2d0a8
commit 36a9b53de1
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1 changed files with 5 additions and 5 deletions
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10
lib/src/event.dart
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@ -686,7 +686,7 @@ class Event extends MatrixEvent {
// regexes to fetch the number of emotes, including emoji, and if the message consists of only those
// to match an emoji we can use the following regex:
// (?:\x{00a9}|\x{00ae}|[\x{2000}-\x{3300}]|\x{d83c}[\x{d000}-\x{dfff}]|\x{d83d}[\x{d000}-\x{dfff}]|\x{d83e}[\x{d000}-\x{dfff}])[\x{fe00}-\x{fe0f}]?
// (?:\x{00a9}|\x{00ae}|[\x{2600}-\x{27bf}]|[\x{2b00}-\x{2bff}]|\x{d83c}[\x{d000}-\x{dfff}]|\x{d83d}[\x{d000}-\x{dfff}]|\x{d83e}[\x{d000}-\x{dfff}])[\x{fe00}-\x{fe0f}]?
// we need to replace \x{0000} with \u0000, the comment is left in the other format to be able to paste into regex101.com
// to see if there is a custom emote, we use the following regex: <img[^>]+data-mx-(?:emote|emoticon)(?==|>|\s)[^>]*>
// now we combind the two to have four regexes:
@ -695,19 +695,19 @@ class Event extends MatrixEvent {
// 3. count number of emoji
// 4- count number of emoji or emotes
static final RegExp _onlyEmojiRegex = RegExp(
r'^((?:\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff])[\ufe00-\ufe0f]?|\s)*$',
r'^((?:\u00a9|\u00ae|[\u2600-\u27bf]|[\u2b00-\u2bff]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff])[\ufe00-\ufe0f]?|\s)*$',
caseSensitive: false,
multiLine: false);
static final RegExp _onlyEmojiEmoteRegex = RegExp(
r'^((?:\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff])[\ufe00-\ufe0f]?|<img[^>]+data-mx-(?:emote|emoticon)(?==|>|\s)[^>]*>|\s)*$',
r'^((?:\u00a9|\u00ae|[\u2600-\u27bf]|[\u2b00-\u2bff]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff])[\ufe00-\ufe0f]?|<img[^>]+data-mx-(?:emote|emoticon)(?==|>|\s)[^>]*>|\s)*$',
caseSensitive: false,
multiLine: false);
static final RegExp _countEmojiRegex = RegExp(
r'((?:\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff])[\ufe00-\ufe0f]?)',
r'((?:\u00a9|\u00ae|[\u2600-\u27bf]|[\u2b00-\u2bff]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff])[\ufe00-\ufe0f]?)',
caseSensitive: false,
multiLine: false);
static final RegExp _countEmojiEmoteRegex = RegExp(
r'((?:\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff])[\ufe00-\ufe0f]?|<img[^>]+data-mx-(?:emote|emoticon)(?==|>|\s)[^>]*>)',
r'((?:\u00a9|\u00ae|[\u2600-\u27bf]|[\u2b00-\u2bff]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff])[\ufe00-\ufe0f]?|<img[^>]+data-mx-(?:emote|emoticon)(?==|>|\s)[^>]*>)',
caseSensitive: false,
multiLine: false);