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Removing all non-numeric characters from string in Python
How do we remove all non-numeric characters from a string in Python?
7 Answers
7
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How do I turn off Oracle password expiration?
... OLD_PASSWORD
REM Select the old spare4 and password columns as delimited strings
SELECT
'''' || SPARE4 || '''' AS SPARE4HASH,
'''' || PASSWORD || '''' AS PWORDHASH
FROM
SYS.USER$
WHERE
NAME = '&USER_NAME';
REM Show the contents of the SQL*Plus variables
DEFINE OLD_SPARE4
DEFINE O...
How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...rFactory implements AnnotationProcessorFactory {
public Collection<String> supportedOptions() {
System.err.println("Called supportedOptions.............................");
return Collections.EMPTY_LIST;
}
public Collection<String> supportedAnnotationTypes() ...
HtmlSpecialChars equivalent in Javascript?
...
};
})()
Note: Only run this once. And don't run it on already encoded strings e.g. &amp; becomes &amp;amp;
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Is C++14 adding new keywords to C++?
...ch else namespace static_assert using
char enum new static_cast virtual
char16_t explicit noexcept struct void
char32_t export nullptr switch ...
In C# what is the difference between ToUpper() and ToUpperInvariant()?
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public class Test
{
[STAThread]
static void Main()
{
string invariant = "iii".ToUpperInvariant();
CultureInfo turkey = new CultureInfo("tr-TR");
Thread.CurrentThread.CurrentCulture = turkey;
string cultured = "iii".ToUpper();
Font bigFont = new ...
What is context in _.each(list, iterator, [context])?
...pluck, 2);
Even from the limited examples, you can see how powerful an "extra argument" can be for creating re-usable code. Instead of making a different callback function for each situation, you can usually adapt a low-level helper. The goal is to have your custom logic bundling a verb and two n...
Delete element in a slice
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@Tyguy7 from the spec: "For arrays or strings, the indices are in range if 0 <= low <= high <= len(a), otherwise they are out of range." Maybe in your case high < low; in that case you'll get the error. (golang.org/ref/spec#Slice_expressions)
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How to convert a string to integer in C?
I am trying to find out if there is an alternative way of converting string to integer in C.
12 Answers
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Regex for numbers only
...ficulty troubleshooting. I want the regex to match only when the contained string is all numbers; but with the two examples below it is matching a string that contains all numbers plus an equals sign like "1234=4321". I'm sure there's a way to change this behavior, but as I said, I've never really d...