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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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15 Answers
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How to get a string after a specific substring?
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419
The easiest way is probably just to split on your target word
my_string="hello python world , ...
Why does the C preprocessor interpret the word “linux” as the constant “1”?
...essor in GCC interpret the word linux (small letters) as the constant 1 ?
5 Answers
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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...
Registry Key '…' has value '1.7', but '1.6' is required. Java 1.7 is Installed and the Registry is P
...ervers. Before the change over we had a JAR that was running fine on Java 1.7 x64 along with JRE 7. When we moved over to the new server our JAR was running alright, but then one of the server admins "updated" our Java to an older version and uninstalled the one we were using. Don't ask me why, I...
JS Client-Side Exif Orientation: Rotate and Mirror JPEG Images
... in large commercial web apps, support for EXIF orientation can be spotty 1 . The same source also provides a nice summary of the 8 different orientations a JPEG can have:
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