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<p class='location'>Struct RegexSetBuilder</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.new">new</a><a href="#method.build">build</a><a href="#method.case_insensitive">case_insensitive</a><a href="#method.multi_line">multi_line</a><a href="#method.dot_matches_new_line">dot_matches_new_line</a><a href="#method.swap_greed">swap_greed</a><a href="#method.ignore_whitespace">ignore_whitespace</a><a href="#method.unicode">unicode</a><a href="#method.size_limit">size_limit</a><a href="#method.dfa_size_limit">dfa_size_limit</a></div></div><p class='location'><a href='../index.html'>regex</a>::<wbr><a href='index.html'>bytes</a></p><script>window.sidebarCurrent = {name: 'RegexSetBuilder', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script></div>
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<h1 class='fqn'><span class='in-band'>Struct <a href='../index.html'>regex</a>::<wbr><a href='index.html'>bytes</a>::<wbr><a class="struct" href=''>RegexSetBuilder</a></span><span class='out-of-band'><span id='render-detail'>
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[<span class='inner'>−</span>]
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</span><a class='srclink' href='../../src/regex/re_builder.rs.html#188' title='goto source code'>[src]</a></span></h1>
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<pre class='rust struct'>pub struct RegexSetBuilder(_);</pre><div class='docblock'><p>A configurable builder for a set of regular expressions.</p>
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<p>A builder can be used to configure how the regexes are built, for example,
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by setting the default flags (which can be overridden in the expression
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itself) or setting various limits.</p>
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<h2 id='methods' class='small-section-header'>
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Methods<a href='#methods' class='anchor'></a>
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</h2>
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<h3 id='impl' class='impl'><span class='in-band'><code>impl <a class="struct" href="../../regex/bytes/struct.RegexSetBuilder.html" title="struct regex::bytes::RegexSetBuilder">RegexSetBuilder</a></code><a href='#impl' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex/re_builder.rs.html#190-277' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.new' class="method"><span id='new.v' class='invisible'><code>pub fn <a href='#method.new' class='fnname'>new</a><I, S>(patterns: I) -> <a class="struct" href="../../regex/bytes/struct.RegexSetBuilder.html" title="struct regex::bytes::RegexSetBuilder">RegexSetBuilder</a> <span class="where fmt-newline">where<br> S: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>>,<br> I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html" title="trait core::iter::traits::IntoIterator">IntoIterator</a><Item = S>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex/re_builder.rs.html#195-202' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Create a new regular expression builder with the given pattern.</p>
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<p>If the pattern is invalid, then an error will be returned when
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<code>build</code> is called.</p>
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</div><h4 id='method.build' class="method"><span id='build.v' class='invisible'><code>pub fn <a href='#method.build' class='fnname'>build</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../../regex/bytes/struct.RegexSet.html" title="struct regex::bytes::RegexSet">RegexSet</a>, <a class="enum" href="../../regex/enum.Error.html" title="enum regex::Error">Error</a>></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex/re_builder.rs.html#205-210' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Consume the builder and compile the regular expressions into a set.</p>
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</div><h4 id='method.case_insensitive' class="method"><span id='case_insensitive.v' class='invisible'><code>pub fn <a href='#method.case_insensitive' class='fnname'>case_insensitive</a>(&mut self, yes: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>) -> &mut <a class="struct" href="../../regex/bytes/struct.RegexSetBuilder.html" title="struct regex::bytes::RegexSetBuilder">RegexSetBuilder</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex/re_builder.rs.html#213-216' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Set the value for the case insensitive (<code>i</code>) flag.</p>
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</div><h4 id='method.multi_line' class="method"><span id='multi_line.v' class='invisible'><code>pub fn <a href='#method.multi_line' class='fnname'>multi_line</a>(&mut self, yes: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>) -> &mut <a class="struct" href="../../regex/bytes/struct.RegexSetBuilder.html" title="struct regex::bytes::RegexSetBuilder">RegexSetBuilder</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex/re_builder.rs.html#219-222' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Set the value for the multi-line matching (<code>m</code>) flag.</p>
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</div><h4 id='method.dot_matches_new_line' class="method"><span id='dot_matches_new_line.v' class='invisible'><code>pub fn <a href='#method.dot_matches_new_line' class='fnname'>dot_matches_new_line</a>(&mut self, yes: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>) -> &mut <a class="struct" href="../../regex/bytes/struct.RegexSetBuilder.html" title="struct regex::bytes::RegexSetBuilder">RegexSetBuilder</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex/re_builder.rs.html#231-234' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Set the value for the any character (<code>s</code>) flag, where in <code>.</code> matches
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anything when <code>s</code> is set and matches anything except for new line when
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it is not set (the default).</p>
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<p>N.B. "matches anything" means "any byte" for <code>regex::bytes::RegexSet</code>
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expressions and means "any Unicode scalar value" for <code>regex::RegexSet</code>
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expressions.</p>
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</div><h4 id='method.swap_greed' class="method"><span id='swap_greed.v' class='invisible'><code>pub fn <a href='#method.swap_greed' class='fnname'>swap_greed</a>(&mut self, yes: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>) -> &mut <a class="struct" href="../../regex/bytes/struct.RegexSetBuilder.html" title="struct regex::bytes::RegexSetBuilder">RegexSetBuilder</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex/re_builder.rs.html#237-240' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Set the value for the greedy swap (<code>U</code>) flag.</p>
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</div><h4 id='method.ignore_whitespace' class="method"><span id='ignore_whitespace.v' class='invisible'><code>pub fn <a href='#method.ignore_whitespace' class='fnname'>ignore_whitespace</a>(&mut self, yes: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>) -> &mut <a class="struct" href="../../regex/bytes/struct.RegexSetBuilder.html" title="struct regex::bytes::RegexSetBuilder">RegexSetBuilder</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex/re_builder.rs.html#243-246' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Set the value for the ignore whitespace (<code>x</code>) flag.</p>
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</div><h4 id='method.unicode' class="method"><span id='unicode.v' class='invisible'><code>pub fn <a href='#method.unicode' class='fnname'>unicode</a>(&mut self, yes: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>) -> &mut <a class="struct" href="../../regex/bytes/struct.RegexSetBuilder.html" title="struct regex::bytes::RegexSetBuilder">RegexSetBuilder</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex/re_builder.rs.html#249-252' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Set the value for the Unicode (<code>u</code>) flag.</p>
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</div><h4 id='method.size_limit' class="method"><span id='size_limit.v' class='invisible'><code>pub fn <a href='#method.size_limit' class='fnname'>size_limit</a>(&mut self, limit: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> &mut <a class="struct" href="../../regex/bytes/struct.RegexSetBuilder.html" title="struct regex::bytes::RegexSetBuilder">RegexSetBuilder</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex/re_builder.rs.html#259-262' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Set the approximate size limit of the compiled regular expression.</p>
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<p>This roughly corresponds to the number of bytes occupied by a single
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compiled program. If the program exceeds this number, then a
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compilation error is returned.</p>
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</div><h4 id='method.dfa_size_limit' class="method"><span id='dfa_size_limit.v' class='invisible'><code>pub fn <a href='#method.dfa_size_limit' class='fnname'>dfa_size_limit</a>(&mut self, limit: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> &mut <a class="struct" href="../../regex/bytes/struct.RegexSetBuilder.html" title="struct regex::bytes::RegexSetBuilder">RegexSetBuilder</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex/re_builder.rs.html#273-276' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Set the approximate size of the cache used by the DFA.</p>
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<p>This roughly corresponds to the number of bytes that the DFA will
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use while searching.</p>
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<p>Note that this is a <em>per thread</em> limit. There is no way to set a global
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limit. In particular, if a regex is used from multiple threads
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simulanteously, then each thread may use up to the number of bytes
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