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Java String remove all non numeric characters
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Try this code:
String str = "a12.334tyz.78x";
str = str.replaceAll("[^\\d.]", "");
Now str will contain "12.334.78".
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What is the difference between const int*, const int * const, and int const *?
... but not the value that you point to. Most often this is seen with C-style strings where you have a pointer to a const char. You may change which string you point to but you can't change the content of these strings. This is important when the string itself is in the data segment of a program and sh...
print call stack in C or C++
...tdio.h>
#include <execinfo.h>
void print_trace(void) {
char **strings;
size_t i, size;
enum Constexpr { MAX_SIZE = 1024 };
void *array[MAX_SIZE];
size = backtrace(array, MAX_SIZE);
strings = backtrace_symbols(array, size);
for (i = 0; i < size; i++)
pr...
How do I read text from the (windows) clipboard from python?
...he shortest and easiest method I've seen, as in this post: How do I copy a string to the clipboard on Windows using Python?
Plus, Tkinter is in the python standard library.
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How to replace part of string by position?
I have this string: ABCDEFGHIJ
18 Answers
18
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Why do you not use C for your web apps?
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@Ken String manipulation is a really common web-app task. C libraries exist for that, but they're not nearly as numerous or usable as libraries in [pick a high-level language].
– Andres Jaan Tack
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Accessing last x characters of a string in Bash
I found out that with ${string:0:3} one can access the first 3 characters of a string. Is there a equivalently easy method to access the last three characters?
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How to negate specific word in regex? [duplicate]
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Nicely done - matches a line that has the specified string and the string is not preceded by anything and the string is followed by anything.This is by definition the absence of the string! because if present it will always be preceded by something even if its a line anchor ^
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Find index of last occurrence of a sub-string using T-SQL
...ere a straightforward way of finding the index of the last occurrence of a string using SQL? I am using SQL Server 2000 right now. I basically need the functionality that the .NET System.String.LastIndexOf method provides. A little googling revealed this - Function To Retrieve Last Index - bu...
Return positions of a regex match() in Javascript?
Is there a way to retrieve the (starting) character positions inside a string of the results of a regex match() in Javascript?
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