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Merge pull request #388 from ErikPelli/master 

Escape Telegram formatting symbols
bot-api-6.1
Syfaro 2020-11-06 17:45:23 -08:00 committed by GitHub
parent 19e61c78ef 7d4ae712ae
commit 54104a08f9
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1 changed files with 28 additions and 0 deletions
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28
bot.go
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@ -1065,3 +1065,31 @@ func (bot *BotAPI) SetMyCommands(commands []BotCommand) error {
}
return nil
}
// EscapeText takes an input text and escape Telegram markup symbols.
// In this way we can send a text without being afraid of having to escape the characters manually.
// Note that you don't have to include the formatting style in the input text, or it will be escaped too.
// If there is an error, an empty string will be returned.
//
// parseMode is the text formatting mode (ModeMarkdown, ModeMarkdownV2 or ModeHTML)
// text is the input string that will be escaped
func EscapeText(parseMode string, text string) string {
var replacer *strings.Replacer
if parseMode == ModeHTML {
replacer = strings.NewReplacer("<", "&lt;", ">", "&gt;", "&", "&amp;")
} else if parseMode == ModeMarkdown {
replacer = strings.NewReplacer("_", "\\_", "*", "\\*", "`", "\\`", "[", "\\[")
} else if parseMode == ModeMarkdownV2 {
replacer = strings.NewReplacer(
"_", "\\_", "*", "\\*", "[", "\\[", "]", "\\]", "(",
"\\(", ")", "\\)", "~", "\\~", "`", "\\`", ">", "\\>",
"#", "\\#", "+", "\\+", "-", "\\-", "=", "\\=", "|",
"\\|", "{", "\\{", "}", "\\}", ".", "\\.", "!", "\\!",
)
} else {
return ""
}
return replacer.Replace(text)
}