<main><divclass="width-limiter"><navclass="sub"><formclass="search-form"><span></span><divid="sidebar-button"tabindex="-1"><ahref="../regex/all.html"title="show sidebar"></a></div><inputclass="search-input"name="search"aria-label="Run search in the documentation"autocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"><divid="help-button"tabindex="-1"><ahref="../help.html"title="help">?</a></div><divid="settings-menu"tabindex="-1"><ahref="../settings.html"title="settings"><imgwidth="22"height="22"alt="Change settings"src="../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><sectionid="main-content"class="content"><divclass="main-heading"><h1>Struct <ahref="index.html">regex</a>::<wbr><aclass="struct"href="#">RegexSetBuilder</a><buttonid="copy-path"title="Copy item path to clipboard"><imgsrc="../static.files/clipboard-7571035ce49a181d.svg"width="19"height="18"alt="Copy item path"></button></h1><spanclass="out-of-band"><aclass="src"href="../src/regex/builders.rs.html#787-789">source</a> · <buttonid="toggle-all-docs"title="collapse all docs">[<span>−</span>]</button></span></div><preclass="rust item-decl"><code>pub struct RegexSetBuilder { <spanclass="comment">/* private fields */</span> }</code></pre><detailsclass="toggle top-doc"open><summaryclass="hideme"><span>Expand description</span></summary><divclass="docblock"><p>A configurable builder for a <ahref="struct.RegexSet.html"title="struct regex::RegexSet"><code>RegexSet</code></a>.</p>
<p>This builder can be used to programmatically set flags such as
<code>i</code> (case insensitive) and <code>x</code> (for verbose mode). This builder
can also be used to configure things like the line terminator
and a size limit on the compiled regular expression.</p>
S: <aclass="trait"href="https://doc.rust-lang.org/1.77.1/core/convert/trait.AsRef.html"title="trait core::convert::AsRef">AsRef</a><<aclass="primitive"href="https://doc.rust-lang.org/1.77.1/std/primitive.str.html">str</a>>,</div></h4></section></summary><divclass="docblock"><p>Create a new builder with a default configuration for the given
<p>If the patterns are invalid or exceed the configured size limits,
then an error will be returned when <ahref="struct.RegexSetBuilder.html#method.build"title="method regex::RegexSetBuilder::build"><code>RegexSetBuilder::build</code></a> is
</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.build"class="method"><aclass="src rightside"href="../src/regex/builders.rs.html#811-813">source</a><h4class="code-header">pub fn <ahref="#method.build"class="fn">build</a>(&self) -><aclass="enum"href="https://doc.rust-lang.org/1.77.1/core/result/enum.Result.html"title="enum core::result::Result">Result</a><<aclass="struct"href="struct.RegexSet.html"title="struct regex::RegexSet">RegexSet</a>, <aclass="enum"href="enum.Error.html"title="enum regex::Error">Error</a>></h4></section></summary><divclass="docblock"><p>Compiles the patterns given to <code>RegexSetBuilder::new</code> with the
</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.unicode"class="method"><aclass="src rightside"href="../src/regex/builders.rs.html#872-875">source</a><h4class="code-header">pub fn <ahref="#method.unicode"class="fn">unicode</a>(&mut self, yes: <aclass="primitive"href="https://doc.rust-lang.org/1.77.1/std/primitive.bool.html">bool</a>) ->&mut <aclass="struct"href="struct.RegexSetBuilder.html"title="struct regex::RegexSetBuilder">RegexSetBuilder</a></h4></section></summary><divclass="docblock"><p>This configures Unicode mode for the all of the patterns.</p>
</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.case_insensitive"class="method"><aclass="src rightside"href="../src/regex/builders.rs.html#901-904">source</a><h4class="code-header">pub fn <ahref="#method.case_insensitive"class="fn">case_insensitive</a>(&mut self, yes: <aclass="primitive"href="https://doc.rust-lang.org/1.77.1/std/primitive.bool.html">bool</a>) ->&mut <aclass="struct"href="struct.RegexSetBuilder.html"title="struct regex::RegexSetBuilder">RegexSetBuilder</a></h4></section></summary><divclass="docblock"><p>This configures whether to enable case insensitive matching for all
</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.multi_line"class="method"><aclass="src rightside"href="../src/regex/builders.rs.html#940-943">source</a><h4class="code-header">pub fn <ahref="#method.multi_line"class="fn">multi_line</a>(&mut self, yes: <aclass="primitive"href="https://doc.rust-lang.org/1.77.1/std/primitive.bool.html">bool</a>) ->&mut <aclass="struct"href="struct.RegexSetBuilder.html"title="struct regex::RegexSetBuilder">RegexSetBuilder</a></h4></section></summary><divclass="docblock"><p>This configures multi-line mode for all of the patterns.</p>
<li>The <ahref="struct.RegexSetBuilder.html#method.crlf"title="method regex::RegexSetBuilder::crlf"><code>RegexSetBuilder::crlf</code></a> option changes the line terminator
to be either <code>\r</code> or <code>\n</code>, but never at the position between a <code>\r</code>
and <code>\n</code>.</li>
</ul>
<p>This setting can also be configured using the inline flag <code>m</code> in
the pattern.</p>
<p>The default for this is <code>false</code>.</p>
</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.crlf"class="method"><aclass="src rightside"href="../src/regex/builders.rs.html#1027-1030">source</a><h4class="code-header">pub fn <ahref="#method.crlf"class="fn">crlf</a>(&mut self, yes: <aclass="primitive"href="https://doc.rust-lang.org/1.77.1/std/primitive.bool.html">bool</a>) ->&mut <aclass="struct"href="struct.RegexSetBuilder.html"title="struct regex::RegexSetBuilder">RegexSetBuilder</a></h4></section></summary><divclass="docblock"><p>This configures CRLF mode for all of the patterns.</p>
</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.line_terminator"class="method"><aclass="src rightside"href="../src/regex/builders.rs.html#1108-1111">source</a><h4class="code-header">pub fn <ahref="#method.line_terminator"class="fn">line_terminator</a>(&mut self, byte: <aclass="primitive"href="https://doc.rust-lang.org/1.77.1/std/primitive.u8.html">u8</a>) ->&mut <aclass="struct"href="struct.RegexSetBuilder.html"title="struct regex::RegexSetBuilder">RegexSetBuilder</a></h4></section></summary><divclass="docblock"><p>Configures the line terminator to be used by the regex.</p>
</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.swap_greed"class="method"><aclass="src rightside"href="../src/regex/builders.rs.html#1129-1132">source</a><h4class="code-header">pub fn <ahref="#method.swap_greed"class="fn">swap_greed</a>(&mut self, yes: <aclass="primitive"href="https://doc.rust-lang.org/1.77.1/std/primitive.bool.html">bool</a>) ->&mut <aclass="struct"href="struct.RegexSetBuilder.html"title="struct regex::RegexSetBuilder">RegexSetBuilder</a></h4></section></summary><divclass="docblock"><p>This configures swap-greed mode for all of the patterns.</p>
</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.ignore_whitespace"class="method"><aclass="src rightside"href="../src/regex/builders.rs.html#1181-1187">source</a><h4class="code-header">pub fn <ahref="#method.ignore_whitespace"class="fn">ignore_whitespace</a>(&mut self, yes: <aclass="primitive"href="https://doc.rust-lang.org/1.77.1/std/primitive.bool.html">bool</a>) ->&mut <aclass="struct"href="struct.RegexSetBuilder.html"title="struct regex::RegexSetBuilder">RegexSetBuilder</a></h4></section></summary><divclass="docblock"><p>This configures verbose mode for all of the patterns.</p>
</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.octal"class="method"><aclass="src rightside"href="../src/regex/builders.rs.html#1219-1222">source</a><h4class="code-header">pub fn <ahref="#method.octal"class="fn">octal</a>(&mut self, yes: <aclass="primitive"href="https://doc.rust-lang.org/1.77.1/std/primitive.bool.html">bool</a>) ->&mut <aclass="struct"href="struct.RegexSetBuilder.html"title="struct regex::RegexSetBuilder">RegexSetBuilder</a></h4></section></summary><divclass="docblock"><p>This configures octal mode for all of the patterns.</p>
</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.dfa_size_limit"class="method"><aclass="src rightside"href="../src/regex/builders.rs.html#1306-1312">source</a><h4class="code-header">pub fn <ahref="#method.dfa_size_limit"class="fn">dfa_size_limit</a>(&mut self, bytes: <aclass="primitive"href="https://doc.rust-lang.org/1.77.1/std/primitive.usize.html">usize</a>) ->&mut <aclass="struct"href="struct.RegexSetBuilder.html"title="struct regex::RegexSetBuilder">RegexSetBuilder</a></h4></section></summary><divclass="docblock"><p>Set the approximate capacity, in bytes, of the cache of transitions
<code><ahref="https://doc.rust-lang.org/1.77.1/core/convert/trait.From.html"title="trait core::convert::From">From</a><T> for U</code> chooses to do.</p>
</div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-ToOwned-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.77.1/src/alloc/borrow.rs.html#83-85">source</a><ahref="#impl-ToOwned-for-T"class="anchor">§</a><h3class="code-header">impl<T><aclass="trait"href="https://doc.rust-lang.org/1.77.1/alloc/borrow/trait.ToOwned.html"title="trait alloc::borrow::ToOwned">ToOwned</a> for T<divclass="where">where
T: <aclass="trait"href="https://doc.rust-lang.org/1.77.1/core/clone/trait.Clone.html"title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Owned"class="associatedtype trait-impl"><ahref="#associatedtype.Owned"class="anchor">§</a><h4class="code-header">type <ahref="https://doc.rust-lang.org/1.77.1/alloc/borrow/trait.ToOwned.html#associatedtype.Owned"class="associatedtype">Owned</a> = T</h4></section></summary><divclass='docblock'>The resulting type after obtaining ownership.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.to_owned"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.77.1/src/alloc/borrow.rs.html#88">source</a><ahref="#method.to_owned"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.77.1/alloc/borrow/trait.ToOwned.html#tymethod.to_owned"class="fn">to_owned</a>(&self) -> T</h4></section></summary><divclass='docblock'>Creates owned data from borrowed data, usually by cloning. <ahref="https://doc.rust-lang.org/1.77.1/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.clone_into"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.77.1/src/alloc/borrow.rs.html#92">source</a><ahref="#method.clone_into"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.77.1/alloc/borrow/trait.ToOwned.html#method.clone_into"class="fn">clone_into</a>(&self, target: <aclass="primitive"href="https://doc.rust-lang.org/1.77.1/std/primitive.reference.html">&mut T</a>)</h4></section></summary><divclass='docblock'>Uses borrowed data to replace owned data, usually by cloning. <ahref="https://doc.rust-lang.org/1.77.1/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-TryFrom%3CU%3E-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.77.1/src/core/convert/mod.rs.html#804-806">source</a><ahref="#impl-TryFrom%3CU%3E-for-T"class="anchor">§</a><h3class="code-header">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/1.77.1/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U> for T<divclass="where">where
U: <aclass="trait"href="https://doc.rust-lang.org/1.77.1/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><T>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Error-1"class="associatedtype trait-impl"><ahref="#associatedtype.Error-1"class="anchor">§</a><h4class="code-header">type <ahref="https://doc.rust-lang.org/1.77.1/core/convert/trait.TryFrom.html#associatedtype.Error"class="associatedtype">Error</a> = <aclass="enum"href="https://doc.rust-lang.org/1.77.1/core/convert/enum.Infallible.html"title="enum core::convert::Infallible">Infallible</a></h4></section></summary><divclass='docblock'>The type returned in the event of a conversion error.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.try_from"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.77.1/src/core/convert/mod.rs.html#811">source</a><ahref="#method.try_from"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.77.1/core/convert/trait.TryFrom.html#tymethod.try_from"class="fn">try_from</a>(value: U) -><aclass="enum"href="https://doc.rust-lang.org/1.77.1/core/result/enum.Result.html"title="enum core::result::Result">Result</a><T, <T as <aclass="trait"href="https://doc.rust-lang.org/1.77.1/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U>>::<aclass="associatedtype"href="https://doc.rust-lang.org/1.77.1/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><divclass='docblock'>Performs the conversion.</div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-TryInto%3CU%3E-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.77.1/src/core/convert/mod.rs.html#789-791">source</a><ahref="#impl-TryInto%3CU%3E-for-T"class="anchor">§</a><h3class="code-header">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/1.77.1/core/convert/trait.TryInto.html"title="trait core::convert::TryInto">TryInto</a><U> for T<divclass="where">where
U: <aclass="trait"href="https://doc.rust-lang.org/1.77.1/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Error"class="associatedtype trait-impl"><ahref="#associatedtype.Error"class="anchor">§</a><h4class="code-header">type <ahref="https://doc.rust-lang.org/1.77.1/core/convert/trait.TryInto.html#associatedtype.Error"class="associatedtype">Error</a> = <U as <aclass="trait"href="https://doc.rust-lang.org/1.77.1/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="associatedtype"href="https://doc.rust-lang.org/1.77.1/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><divclass='docblock'>The type returned in the event of a conversion error.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.try_into"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.77.1/src/core/convert/mod.rs.html#796">source</a><ahref="#method.try_into"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.77.1/core/convert/trait.TryInto.html#tymethod.try_into"class="fn">try_into</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/1.77.1/core/result/enum.Result.html"title="enum core::result::Result">Result</a><U, <U as <aclass="trait"href="https://doc.rust-lang.org/1.77.1/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="associatedtype"href="https://doc.rust-lang.org/1.77.1/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><divclass='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html>