# Lowercase tokenizer and filter, but incliding digits also **URL:** \ **Category:** Elasticsearch\ **Created:** [October 26, 2014, 1:08pm UTC](https://discuss.elastic.co/t/lowercase-tokenizer-and-filter-but-incliding-digits-also/20433 "2014-10-26T13:08:28Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![Andrew\_Gaydenko](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/andrew_gaydenko/32/914_2.png) [@Andrew\_Gaydenko](https://discuss.elastic.co/u/Andrew_Gaydenko)\ **Post date:** [October 26, 2014, 1:08pm UTC](https://discuss.elastic.co/t/lowercase-tokenizer-and-filter-but-incliding-digits-also/20433/1 "2014-10-26T13:08:28Z")
Hi! I widely use lowercase tokenizer and lowercase filter in different places. At some cases I'd want to extend their chars set with digits. How to? -- 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). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/abfcd94b-9532-40c4-8768-1253de990ec7%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/abfcd94b-9532-40c4-8768-1253de990ec7%40googlegroups.com). For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout). ---
**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, 12:53am UTC](https://discuss.elastic.co/t/lowercase-tokenizer-and-filter-but-incliding-digits-also/20433/2 "2017-07-06T00:53:52Z")
Closed on July 6, 2017, 12:53am UTC