How to implement incremental search on a list

Question

I want to implement incremental search on a list of strings. Consider I have an array containing which contains the strings store,state,stamp,crawl,crow. My application has a te

Answer 1

Below is a function that will incrementally search a string for a substring to match.

public IEnumerable FindAllMatches(string toMatch, string source) {
  var last = 0;
  do {
    var cur = source.IndexOf(toMatch,last);
    if ( cur < 0 ) {
      break;
    }
    yield return cur;
    last = cur + toMatch.Length;
  while(true);
}