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What do ellipsis […] mean in a list?
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It means that you created an infinite list nested inside itself, which can not be printed. p ...
Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)
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Converting datetime.date to UTC timestamp in Python
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How to change the order of DataFrame columns?
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What is a regular expression which will match a valid domain name without a subdomain?
...ee comments), given your specific requirements:
/^[a-zA-Z0-9][a-zA-Z0-9-]{1,61}[a-zA-Z0-9]\.[a-zA-Z]{2,}$/
But note this will reject a lot of valid domains.
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Extracting the last n characters from a string in R
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How to get a string after a specific substring?
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The easiest way is probably just to split on your target word
my_string="hello python world , ...
Check if all elements in a list are identical
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General method:
def checkEqual1(iterator):
iterator = iter(iterator)
try:
first = next(iterator)
except StopIteration:
return True
return all(first == rest for rest in iterator)
One-liner:
def checkEqual2(iterator):
r...