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In addition to dynamic filters based on text and numeric issue fields, the following special dynamic filters are also available:
Contains text – full-text search in all text fields: summary, environment, description, the comments of the issues, as well as all the custom text fields
Comment – full-text search in all the comments of the issues
To use a text or a number dynamic filter, just click on it and type a search query in the text box. The text search query can contain one or multiple space-separated words, or it can be an advanced query with wildcards, Boolean operators, etc. The number search query can contain one or multiple space-separated numeric values or ranges.
For more information about dynamic filters, have a look at at Configuring Dynamic Filters.
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