# Possible issue with ngrams and highlighting? Gist included. (Was: Which is the best (right) use of NGrams?) **URL:** \ **Category:** Elasticsearch\ **Created:** [February 21, 2013, 3:32pm UTC](https://discuss.elastic.co/t/possible-issue-with-ngrams-and-highlighting-gist-included-was-which-is-the-best-right-use-of-ngrams/10842 "2013-02-21T15:32:09Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![Lukas\_Vlcek1](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/lukas_vlcek1/32/819_2.png) [@Lukas\_Vlcek1](https://discuss.elastic.co/u/Lukas_Vlcek1)\ **Post date:** [February 21, 2013, 3:32pm UTC](https://discuss.elastic.co/t/possible-issue-with-ngrams-and-highlighting-gist-included-was-which-is-the-best-right-use-of-ngrams/10842/1 "2013-02-21T15:32:09Z")
Hi Alex, I created a gist with my experiments: > The last technique (using query\_string with whitespace analyser) does not seem to work consistently. Is this a bug or I am doing it wrong? Shall I open a ticket for this? Regards, Lukas On Thu, Feb 21, 2013 at 5:49 AM, AlexR [roytmana@gmail.com](mailto:roytmana@gmail.com) wrote: > Hi Lukas, > > It will be very interesting to compare notes. I will be out of town for > few days and may not be able to conclude my test so lets touch base next > week if it's ok with you > > Alex > > -- > You received this message because you are subscribed to the Google Groups > "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![Clinton\_Gormley](https://avatars.discourse-cdn.com/v4/letter/c/50afbb/32.png) [@Clinton\_Gormley](https://discuss.elastic.co/u/Clinton_Gormley)\ **Post date:** [February 21, 2013, 3:56pm UTC](https://discuss.elastic.co/t/possible-issue-with-ngrams-and-highlighting-gist-included-was-which-is-the-best-right-use-of-ngrams/10842/2 "2013-02-21T15:56:00Z")
On Thu, 2013-02-21 at 16:32 +0100, Lukáš Vlček wrote: > Hi Alex, > > I created a gist with my experiments: > [Elasticsearch: Highlighting with nGrams (possible issue?) · GitHub](https://gist.github.com/lukas-vlcek/5005428) > > The last technique (using query\_string with whitespace analyser) does > not seem to work consistently. Is this a bug or I am doing it wrong? > Shall I open a ticket for this? It seems to be related to your use of the keyword tokenizer. When using the standard tokenizer, it works: > clint -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![Lukas\_Vlcek1](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/lukas_vlcek1/32/819_2.png) [@Lukas\_Vlcek1](https://discuss.elastic.co/u/Lukas_Vlcek1)\ **Post date:** [February 21, 2013, 4:34pm UTC](https://discuss.elastic.co/t/possible-issue-with-ngrams-and-highlighting-gist-included-was-which-is-the-best-right-use-of-ngrams/10842/3 "2013-02-21T16:34:40Z")
This seems to be working better! Thanks Clint. On Thu, Feb 21, 2013 at 4:56 PM, Clinton Gormley [clint@traveljury.com](mailto:clint@traveljury.com)wrote: > On Thu, 2013-02-21 at 16:32 +0100, Lukáš Vlček wrote: > > > Hi Alex, > > > > I created a gist with my experiments: > > [Elasticsearch: Highlighting with nGrams (possible issue?) · GitHub](https://gist.github.com/lukas-vlcek/5005428) > > > > The last technique (using query\_string with whitespace analyser) does > > not seem to work consistently. Is this a bug or I am doing it wrong? > > Shall I open a ticket for this? > > It seems to be related to your use of the keyword tokenizer. > > When using the standard tokenizer, it works: > > [gist:5005666 · GitHub](https://gist.github.com/clintongormley/5005666) > > clint > > -- > You received this message because you are subscribed to the Google Groups > "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 6, 2017, 2:50am UTC](https://discuss.elastic.co/t/possible-issue-with-ngrams-and-highlighting-gist-included-was-which-is-the-best-right-use-of-ngrams/10842/4 "2017-07-06T02:50:15Z")