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<li class="toctree-l2"><a class="reference internal" href="file_search_searchpaths.html">Caminhos de pesquisa</a></li>
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<section id="regular-expressions">
<span id="id1"></span><h1>Expressões regulares<a class="headerlink" href="#regular-expressions" title="Link to this heading">¶</a></h1>
<p><a class="reference external" href="https://en.wikipedia.org/wiki/Regular_expression">Expressões regulares</a> descrevem padrões em strings que podem ser usados para determinar se um determinado padrão ocorre em um texto ou não.</p>
<p>No TreeSize, as expressões regulares podem ser usadas para localizar arquivos e/ou pastas específicos que correspondam aos critérios especificados pelas expressões regulares. Há suporte para uma <a class="reference external" href="https://www.jam-software.com/redirects/?regex_syntax_info">lista de caracteres especiais</a>.</p>
<p>A tabela a seguir mostra algumas das sintaxes mais usadas e fornece alguns exemplos:</p>
<div class="table-wrapper colwidths-given docutils container">
<table class="docutils align-default">
<colgroup>
<col style="width: 20.0%" />
<col style="width: 10.0%" />
<col style="width: 40.0%" />
<col style="width: 30.0%" />
</colgroup>
<thead>
<tr class="row-odd"><th class="head"><p>Expressão</p></th>
<th class="head"><p>Sintaxe</p></th>
<th class="head"><p>Descrição</p></th>
<th class="head"><p>Exemplo</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p>Qualquer caractere</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">.</span></code></p></td>
<td><p>Corresponde a qualquer caractere único, exceto uma quebra de linha.</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">a.o</span></code> corresponde a “aro” em “around” e “abo” em “about”, mas não a “acro” em “across”.</p></td>
</tr>
<tr class="row-odd"><td><p>Zero ou mais</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">*</span></code></p></td>
<td><p>Corresponde a zero ou mais ocorrências da expressão anterior e faz todas as correspondências possíveis.</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">a*b</span></code> corresponde ao “b” em “bat” e ao “ab” em “about”. <code class="docutils literal notranslate"><span class="pre">e.*e</span></code> corresponde à palavra “enterprise”.</p></td>
</tr>
<tr class="row-even"><td><p>Um ou mais</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">+</span></code></p></td>
<td><p>Corresponde a pelo menos uma ocorrência da expressão anterior.</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">ac+</span></code> corresponde a palavras que contêm a letra “a” e pelo menos uma instância de “c”, como “race” e “ace”. <code class="docutils literal notranslate"><span class="pre">a.+s</span></code> corresponde à palavra “access”.</p></td>
</tr>
<tr class="row-odd"><td><p>Início da cadeia</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">^</span></code></p></td>
<td><p>Corresponde ao início de uma cadeia de caracteres.</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">^[0-9]</span></code> corresponde a cadeias de caracteres que começam com um dígito.</p></td>
</tr>
<tr class="row-even"><td><p>Fim da cadeia</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">$</span></code></p></td>
<td><p>Corresponde ao final de uma cadeia de caracteres.</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">exe$</span></code> corresponde a cadeias de caracteres que terminam com “exe”.</p></td>
</tr>
<tr class="row-odd"><td><p>Início da palavra</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">[[:<:]]</span></code></p></td>
<td><p>Corresponde somente quando uma palavra começa nesse ponto do texto.</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">[[:<:]]in</span></code> corresponde a palavras como “inside” e “into” que começam com as letras “in”.</p></td>
</tr>
<tr class="row-even"><td><p>Fim da palavra</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">[[:>:]]</span></code></p></td>
<td><p>Corresponde somente quando uma palavra termina nesse ponto do texto.</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">ss[[[:>:]]</span></code> corresponde a palavras como “across” e “loss” que terminam com as letras “ss”.</p></td>
</tr>
<tr class="row-odd"><td><p>Qualquer caractere do conjunto</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">[]</span></code></p></td>
<td><p>Corresponde a qualquer um dos caracteres em []. Para especificar um intervalo de caracteres, liste os caracteres iniciais e finais separados por um traço (-), como em [a-z].</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">be[n-t]</span></code> corresponde a “bet” em “between” (entre), “ben” em “beneath” (abaixo) e “bes” em “beside” (ao lado), mas não a “bel” em “below” (abaixo).</p></td>
</tr>
<tr class="row-even"><td><p>Qualquer caractere que não esteja no conjunto</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">[^...]</span></code></p></td>
<td><p>Corresponde a qualquer caractere que não esteja no conjunto de caracteres que segue o <code class="docutils literal notranslate"><span class="pre">^</span></code>.</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">be[^n-t]</span></code> corresponde a “bef” em “before” (antes), “beh” em “behind” (atrás) e “bel” em “below” (abaixo), mas não a “ben” em “beneath” (abaixo).</p></td>
</tr>
<tr class="row-odd"><td><p>Ou</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">|</span></code></p></td>
<td><p>Corresponde à expressão anterior ou posterior ao símbolo OR (|). Usado principalmente em um grupo.</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">(sponge|mud)</span></code> corresponde a “sponge bath” (banho de esponja) e “mud bath” (banho de lama).</p></td>
</tr>
<tr class="row-even"><td><p>Caractere de escape</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">\</span></code></p></td>
<td><p>Corresponde ao caractere que segue a barra invertida (<code class="docutils literal notranslate"><span class="pre">\</span></code>) como um literal. Isso permite que você encontre os caracteres usados na notação de expressão regular, como <code class="docutils literal notranslate"><span class="pre">{</span></code> e <code class="docutils literal notranslate"><span class="pre">^</span></code>.</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">\^</span></code> procura o caractere <code class="docutils literal notranslate"><span class="pre">^</span></code>.</p></td>
</tr>
<tr class="row-odd"><td><p>Repetir n vezes</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">{n}</span></code></p></td>
<td><p>Corresponde a n ocorrências da expressão anterior.</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">[0-9]{4}</span></code> corresponde a qualquer sequência de 4 dígitos.</p></td>
</tr>
<tr class="row-even"><td><p>Agrupamento</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">()</span></code></p></td>
<td><p>Permite que você agrupe um conjunto de expressões. Se você quiser pesquisar duas expressões diferentes em uma única pesquisa, poderá usar a expressão Grouping para combiná-las.</p></td>
<td><p>Se você quiser pesquisar <code class="docutils literal notranslate"><span class="pre">[a-z][1-3]</span></code> ou <code class="docutils literal notranslate"><span class="pre">[0-9][a-z]</span></code>, você deve combiná-los: <code class="docutils literal notranslate"><span class="pre">([a-z][1-3])|([0-9][a-z])</span></code>.</p></td>
</tr>
</tbody>
</table>
</div>
<section id="more-examples">
<h2>Mais exemplos<a class="headerlink" href="#more-examples" title="Link to this heading">¶</a></h2>
<div class="table-wrapper colwidths-given docutils container">
<table class="docutils align-default">
<colgroup>
<col style="width: 40.0%" />
<col style="width: 60.0%" />
</colgroup>
<thead>
<tr class="row-odd"><th class="head"><p>Expressão regular</p></th>
<th class="head"><p>Caso de uso</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">[0-9]</span></code> ou <code class="docutils literal notranslate"><span class="pre">\d</span></code></p></td>
<td><p>Localize todos os arquivos/pastas com pelo menos um dígito em seu nome.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">a|b</span></code></p></td>
<td><p>Localize todos os arquivos/pastas que contenham “a” ou “b” em seus nomes.</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">[^(A-Za-z)]`</span></code></p></td>
<td><p>Localize todos os arquivos/pastas que contenham pelo menos um caractere em seu nome que não esteja no intervalo A-Z ou a-z.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">^E[0-9]{7}$</span></code></p></td>
<td><p>Localize todos os arquivos/pastas que começam com um “E” seguido de exatamente 7 dígitos.</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">[A-Za-z]:\\([^\\]+\\){2,4}[^\\]+$</span></code></p></td>
<td><p>Encontre todos os arquivos/pastas com uma profundidade de pasta de no mínimo 2 e no máximo 4.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">[^\x00-\x7F]</span></code></p></td>
<td><p>Localize todos os arquivos/pastas com caracteres ASCII inválidos.</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">[^\P{C}]</span></code></p></td>
<td><p>Localize todos os arquivos/pastas com caracteres Unicode que não podem ser impressos.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">[\xA0]</span></code></p></td>
<td><p>Localize todos os nomes de arquivos/pasta que contenham o caractere de espaço não quebrável (Unicode NOBR, U+00A0) em vez de um caractere de espaço normal.</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">[~\""#%&\*\:<>\?\/\\{|}]</span></code></p></td>
<td><p>Encontre todos os nomes de arquivos e pastas que contenham caracteres inválidos nos servidores do SharePoint.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">^\s+.*</span></code></p></td>
<td><p>Localize todos os arquivos e pastas com um espaço inicial.</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">\s+(\.[^.]+)$</span></code></p></td>
<td><p>Localize arquivos com uma extensão que tenham um espaço no final do nome.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">.*\s+$</span></code></p></td>
<td><p>Localizar pastas com um espaço no final do nome.</p></td>
</tr>
</tbody>
</table>
</div>
</section>
<section id="tools-for-creating-regular-expressions">
<h2>Ferramentas para criar expressões regulares<a class="headerlink" href="#tools-for-creating-regular-expressions" title="Link to this heading">¶</a></h2>
<p><a class="reference external" href="https://regex101.com/">https://regex101.com/</a> (on-line)</p>
<p><a class="reference external" href="http://regexpal.com/">http://regexpal.com/</a> (on-line)</p>
<p><a class="reference external" href="http://sourceforge.net/projects/regexpeditor/">http://sourceforge.net/projects/regexpeditor/</a> (download)</p>
<p><a class="reference external" href="http://sourceforge.net/projects/regextester/">http://sourceforge.net/projects/regextester/</a> (download)</p>
<p><a class="reference external" href="http://sourceforge.net/projects/regaxe/">http://sourceforge.net/projects/regaxe/</a> (download)</p>
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