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ZiTAL/telegram.py

Created October 16, 2023 14:16
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python: telegram bot: escape markdown special chars
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telegram.py
# https://core.telegram.org/bots/api#markdownv2-style
def mdEscapeSpecialChars(msg):
special = r'_*[]()~`>#+-=|{}.!'
pattern = r'([' + re.escape(special) + '])'
replacer = lambda match: '\\' + match.group(1)
output = re.sub(pattern, replacer, msg)
return output
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