3 回答

TA貢獻1829條經驗 獲得超7個贊
最簡單,最干凈,最快捷的方法是按照已知的emoji表情和dingbats范圍檢查字符串中每個字符的Unicode代碼點,如下所示:
extension String {
var containsEmoji: Bool {
for scalar in unicodeScalars {
switch scalar.value {
case 0x1F600...0x1F64F, // Emoticons
0x1F300...0x1F5FF, // Misc Symbols and Pictographs
0x1F680...0x1F6FF, // Transport and Map
0x2600...0x26FF, // Misc symbols
0x2700...0x27BF, // Dingbats
0xFE00...0xFE0F, // Variation Selectors
0x1F900...0x1F9FF, // Supplemental Symbols and Pictographs
0x1F1E6...0x1F1FF: // Flags
return true
default:
continue
}
}
return false
}
}

TA貢獻1816條經驗 獲得超6個贊
extension String {
func containsEmoji() -> Bool {
for scalar in unicodeScalars {
switch scalar.value {
case 0x3030, 0x00AE, 0x00A9,// Special Characters
0x1D000...0x1F77F, // Emoticons
0x2100...0x27BF, // Misc symbols and Dingbats
0xFE00...0xFE0F, // Variation Selectors
0x1F900...0x1F9FF: // Supplemental Symbols and Pictographs
return true
default:
continue
}
}
return false
}
}
這是我的解決方法,具有更新的范圍。
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