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<img src="/uploads/upload/image/5200/direct/1571320306892-1571320306892.png" alt="Protobi search filter interface showing a text input box with the search term 'easy' entered, and an Apply button to the right. Below the search box are three partially visible text verbatim responses, with the word 'easy' highlighted in green within each response, demonstrating real-time search highlighting." width="257px" style="width:257px;" class="fr-fic fr-dib"> Protobi supports simple [search and filtering](how-to-search-and-filter-text-responses) of text verbatims. The search filter appears when there are 10 or more distinct values. ## Example filters Try entering the following filters: - able matches any element **containing** the string 'able' - able$ matches any element **ending** with the string 'able' - ^fa matches any string **starting** with 'fa' - some|ful matches any string containing 'some' **or** 'ful' Values are filtered out as you type, but do not drill in. Press the "`Apply`" button to actually enter the filter as a subsetting constraint. <img src="/uploads/upload/image/5200/direct/1571060458528-1571060458528.png" alt="Protobi data view showing question 'Adj#1 - First adjective that comes to mind' with a Filter input box and Apply button at the top. Below is a frequency table displaying 22 different adjectives as values in the left column (including [NA], Amazing, Awesome, Blithesome, Excellent, Fabulous, Fantastic, Favorable, Fortuitous, Great, Incredible, Ineffable, Mirthful, Outstanding, Perfect, Propitious, Remarkable, Smart, Spectacular, Splendid, Super, Wondrous) with their corresponding percentages and blue horizontal bar charts in the right column showing frequency distributions." width="480px" style="width:480px;" class="fr-fic fr-dib"> Protobi search uses Regular Expressions, which can be very simple to very expressive. See the [RegEx cheat sheet](https://www.debuggex.com/cheatsheet/regex/javascript).
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