GroupDocs.Text for .NET API has improved the search functionality by adding the ability to search for some text using regular expression and searching a whole
word.
What’s more exciting in the new release:
Support for extracting text from EPUB documentsSearch with regular expressionSearch the whole wordExtract a highlight to a line’s start/endExtract a highlight with the limited words count
Visit GroupDocs Blog for more details -
https://goo.gl/3XKdvN