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Divide string by delimiter and save each component to vector

/ Published in: C++
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  1. void Tokenize(const string &str, vector<string> &tokens, const string &delimiters = " ")
  2. {
  3. 	// Skip delimiters at beginning.
  4. 	string::size_type lastPos = str.find_first_not_of(delimiters, 0);
  5. 	// Find first "non-delimiter".
  6. 	string::size_type pos     = str.find_first_of(delimiters, lastPos);
  7.  
  8. 	while (string::npos != pos || string::npos != lastPos)
  9. 	{
  10. 		// Found a token, add it to the vector.				
  11. 		tokens.push_back(str.substr(lastPos, pos - lastPos));
  12. 		// Skip delimiters.  Note the "not_of"
  13. 		lastPos = str.find_first_not_of(delimiters, pos);
  14. 		// Find next "non-delimiter"
  15. 		pos = str.find_first_of(delimiters, lastPos);
  16. 	}
  17.  
  18. }

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