The Unicode Text Framework provides a full set of classes for iterating over characters in an IText object. Use ITextIterator or IConstTextIterator to iterate forwards, or IReverseTextIterator or IConstReverseTextIterator to iterate backwards through the characters in an IText object. You can also use IFastTextIterator when you want faster performance and don't need as many safety checking mechanisms to guarantee the validity of the iterator.
ITextIterator iter; // IUnicode::isASpace(*iter) checks whether the character currently pointed // to by the iterator is a space character (a space, tab, and so on) for (iter = someText.begin(); iter < someText.end() && !IUnicode::isASpace(*iter); ++iter); someText.erase(someText.begin(), iter);