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How to ignore whitespace in a regular expression subject string?

Is there a simple way to ignore the white space in a target string when searching for matches using a regular expression pattern? For example, if my search is for "cats", I would want "c ats" or "ca ts" to match. I can't strip out the whitespace beforehand because I need to find the begin and en...
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Get path of executable

...dlib> #include <algorithm> #include <iterator> #include <string> #include <vector> #include <boost/filesystem/operations.hpp> #include <boost/filesystem/path.hpp> #include <boost/predef.h> #include <boost/version.hpp> #include <boost/tokenizer.h...
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std::wstring VS std::string

I am not able to understand the differences between std::string and std::wstring . I know wstring supports wide characters such as Unicode characters. I have got the following questions: ...
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C: differences between char pointer and array [duplicate]

... (in this one, "now is the time" is stored elsewhere in memory, commonly a string table). Also, note that because the data belonging to the second definition (the explicit pointer) is not stored in the current scope's stack space, it is unspecified exactly where it will be stored and should not be ...
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How do I create an array of strings in C?

I am trying to create an array of strings in C. If I use this code: 14 Answers 14 ...
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Split column at delimiter in data frame [duplicate]

...E)) is 1 -- as the docs say: "...but if there is a match at the end of the string, the output is the same as with the match removed." As @YuShen says, this solution will "recycle". For me, I just wanted empty spaces, not recycling. – The Red Pea Oct 26 '15 at 2...
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How can I split and trim a string into parts all on one line?

... Try List<string> parts = line.Split(';').Select(p => p.Trim()).ToList(); FYI, the Foreach method takes an Action (takes T and returns void) for parameter, and your lambda return a string as string.Trim return a string Foreach...
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IEnumerable to string [duplicate]

...can't find a really easy way to convert an IEnumerable<char> to a string . 6 Answers ...
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Replacing a char at a given index in string? [duplicate]

String does not have ReplaceAt() , and I'm tumbling a bit on how to make a decent function that does what I need. I suppose the CPU cost is high, but the string sizes are small so it's all ok ...
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Best way to check for “empty or null value”

What is best way to check if value is null or empty string in Postgres sql statements? 10 Answers ...