Question

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How to split string preserving whole words?

I have the following string:

string s = "The Electors shall meet in their respective states to vote by ballot for President and Vice-President.";

I want to take the first 60 characters and split them into two separate strings each of 30 characters or less. Each string must start with a whole word (no partial word, nor space). So this is the desired result:

string s1 = "The Electors shall meet in"; // 26 characters
string s2 = "their respective states to vot"; // 30 characters

Thank you.

Answer 1

string s = "The Electors shall meet in their respective states to vote by ballot for President and Vice-President.";

string sSub = s.Substring(0,60);  //first 60 letters

string sSubSub = sSub.Substring(0,30);  //at most 30 per string

int index = sSubSub.LastIndexOf(' '); //finds the last space

string firstString = sSub.Substring(0,index); //first string is up until that space of t he 60-letter string

string secondSTring = sSub.Substring(index + 1, 30); //second string is the first 30 letters of the rest of the 60-letter string