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<?xml version="1.0" encoding="UTF-8"?>
<helpdocument version="1.0">
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<meta>
<topic id="textshared0102100100xml" indexer="include">
<title id="tit" xml-lang="en-US">Similarity Search</title>
<filename>/text/shared/01/02100100.xhp</filename>
</topic>
</meta>
<body>
<section id="similarity_search">
<bookmark xml-lang="en-US" branch="index" id="bm_id3156045"><bookmark_value>similarity search</bookmark_value>
<bookmark_value>finding; similarity search</bookmark_value>
</bookmark>
<bookmark xml-lang="en-US" branch="hid/svx/ui/findreplacedialog/similarity" id="bm_id3148410" localize="false"/>
<bookmark xml-lang="en-US" branch="hid/cui/ui/similaritysearchdialog/SimilaritySearchDialog" id="bm_id3154815" localize="false"/>
<bookmark xml-lang="en-US" branch="hid/cui/ui/similaritysearchdialog/@@nowidget@@" id="bm_id3154815" localize="false"/>
<bookmark xml-lang="en-US" branch="hid/cui/ui/fmsearchdialog/cbApprox" id="bm_id3154814" localize="false"/>
<bookmark xml-lang="en-US" branch="hid/cui/ui/fmsearchdialog/pbApproxSettings" id="bm_id3154817" localize="false"/>
<h1 id="hd_id3156045" xml-lang="en-US"><link href="text/shared/01/02100100.xhp" name="Similarity Search">Similarity Search</link></h1>
<paragraph role="paragraph" id="par_id3146856" xml-lang="en-US"><ahelp hid="svx/ui/findreplacedialog/similarity">Find terms that are similar to the <emph>Find</emph> text. Select this checkbox, and then click the <emph>Similarities</emph> button to define the similarity options.</ahelp></paragraph>
</section>
<section id="howtoget">
<embed href="text/shared/00/edit_menu.xhp#similarity_search_access"/>
</section>
<paragraph role="paragraph" id="par_id3149551" xml-lang="en-US">For example, a similarity search can find words that differ from the <emph>Find</emph> text by two characters.</paragraph>
<bookmark xml-lang="en-US" branch="hid/svx/ui/findreplacedialog/similaritybtn" id="bm_id3155351" localize="false"/>
<paragraph role="paragraph" id="par_id3145629" xml-lang="en-US"><ahelp hid="svx/ui/findreplacedialog/similaritybtn" visibility="hidden">Set the options for the similarity search.</ahelp></paragraph>
<h2 id="hd_id3149511" xml-lang="en-US">Settings</h2>
<paragraph role="paragraph" id="par_id3152594" xml-lang="en-US">Define the criteria for determining if a word is similar to the search term.</paragraph>
<bookmark xml-lang="en-US" branch="hid/cui/ui/similaritysearchdialog/otherfld" id="bm_id3155338" localize="false"/>
<h3 id="hd_id3153551" xml-lang="en-US">Exchange characters</h3>
<paragraph role="paragraph" id="par_id3152551" xml-lang="en-US"><ahelp hid="cui/ui/similaritysearchdialog/otherfld">Enter the number of characters in the search term that can be exchanged.</ahelp> For example, if you specify 2 exchanged characters, "sweep" and "creep" are considered similar.</paragraph>
<bookmark xml-lang="en-US" branch="hid/cui/ui/similaritysearchdialog/longerfld" id="bm_id3150443" localize="false"/>
<h3 id="hd_id3147010" xml-lang="en-US">Add characters</h3>
<paragraph role="paragraph" id="par_id3109847" xml-lang="en-US"><ahelp hid="cui/ui/similaritysearchdialog/longerfld">Enter the maximum number of characters by which a word can exceed the number of characters in the search term.</ahelp></paragraph>
<bookmark xml-lang="en-US" branch="hid/cui/ui/similaritysearchdialog/shorterfld" id="bm_id3158430" localize="false"/>
<h3 id="hd_id3166460" xml-lang="en-US">Remove characters</h3>
<paragraph role="paragraph" id="par_id3148685" xml-lang="en-US"><ahelp hid="cui/ui/similaritysearchdialog/shorterfld">Enter the number of characters by which a word can be shorter than the search term.</ahelp></paragraph>
<bookmark xml-lang="en-US" branch="hid/cui/ui/similaritysearchdialog/relaxbox" id="bm_id3159400" localize="false"/>
<h3 id="hd_id3153700" xml-lang="en-US">Combine</h3>
<paragraph role="paragraph" id="par_id3156553" xml-lang="en-US"><ahelp hid="cui/ui/similaritysearchdialog/relaxbox">Searches for a term that matches any combination of the similarity search settings.</ahelp></paragraph>
<tip id="par_id491602292458634">Using Combine better meets a user's expectations from looking at the settings, but may return false positives. Not using Combine may match less than expected, but does not return false positives.</tip>
<note id="par_id401602236795437">A Weighted Levenshtein Distance (WLD) algorithm is used. If Combine is not checked, then settings are treated as an exclusive-OR (strict WLD).
If Combine is checked, then settings are treated as an inclusive-OR (relaxed WLD).
</note>
<warning id="par_id371602294412458">Be careful when using <emph>Replace All</emph> with Similarity Search. Best to be certain first about what will be found.</warning>
</body>
</helpdocument>
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