9 lines
298 B
Python
9 lines
298 B
Python
import re
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async def check_lnaddress_format(username: str) -> bool:
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# check username complies with lnaddress specification
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if not re.match("^[a-z0-9-_.]{3,64}$", username):
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assert False, "Only letters a-z0-9-_. allowed, min 3 and max 64 characters!"
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return
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return True
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