diff --git a/bot.go b/bot.go index cffe4c24..626024e1 100644 --- a/bot.go +++ b/bot.go @@ -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("<", "<", ">", ">", "&", "&") + } else if parseMode == ModeMarkdown { + replacer = strings.NewReplacer("_", "\\_", "*", "\\*", "`", "\\`", "[", "\\[") + } else if parseMode == ModeMarkdownV2 { + replacer = strings.NewReplacer( + "_", "\\_", "*", "\\*", "[", "\\[", "]", "\\]", "(", + "\\(", ")", "\\)", "~", "\\~", "`", "\\`", ">", "\\>", + "#", "\\#", "+", "\\+", "-", "\\-", "=", "\\=", "|", + "\\|", "{", "\\{", "}", "\\}", ".", "\\.", "!", "\\!", + ) + } else { + return "" + } + + return replacer.Replace(text) +}