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<h1 class='fqn'><span class='in-band'>Struct <a href='index.html'>regex_syntax</a>::<wbr><a class='struct' href=''>ExprBuilder</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 id='src-1600' class='srclink' href='../src/regex_syntax/lib.rs.html#310-313' title='goto source code'>[src]</a></span></h1>
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<pre class='rust struct'>pub struct ExprBuilder {
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// some fields omitted
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}</pre><div class='docblock'><p>A builder for configuring regular expression parsing.</p>
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<p>This allows setting the default values of flags and other options, such
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as the maximum nesting depth.</p>
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</div><h2 id='methods'>Methods</h2><h3 class='impl'><code>impl <a class='struct' href='../regex_syntax/struct.ExprBuilder.html' title='regex_syntax::ExprBuilder'>ExprBuilder</a></code></h3><div class='impl-items'><h4 id='method.new' class='method'><code>fn <a href='#method.new' class='fnname'>new</a>() -> <a class='struct' href='../regex_syntax/struct.ExprBuilder.html' title='regex_syntax::ExprBuilder'>ExprBuilder</a></code></h4>
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<div class='docblock'><p>Create a new builder for configuring expression parsing.</p>
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<p>Note that all flags are disabled by default.</p>
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</div><h4 id='method.case_insensitive' class='method'><code>fn <a href='#method.case_insensitive' class='fnname'>case_insensitive</a>(self, yes: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a>) -> <a class='struct' href='../regex_syntax/struct.ExprBuilder.html' title='regex_syntax::ExprBuilder'>ExprBuilder</a></code></h4>
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<div class='docblock'><p>Set the default value for the case insensitive (<code>i</code>) flag.</p>
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</div><h4 id='method.multi_line' class='method'><code>fn <a href='#method.multi_line' class='fnname'>multi_line</a>(self, yes: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a>) -> <a class='struct' href='../regex_syntax/struct.ExprBuilder.html' title='regex_syntax::ExprBuilder'>ExprBuilder</a></code></h4>
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<div class='docblock'><p>Set the default 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'><code>fn <a href='#method.dot_matches_new_line' class='fnname'>dot_matches_new_line</a>(self, yes: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a>) -> <a class='struct' href='../regex_syntax/struct.ExprBuilder.html' title='regex_syntax::ExprBuilder'>ExprBuilder</a></code></h4>
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<div class='docblock'><p>Set the default value for the any character (<code>s</code>) flag.</p>
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</div><h4 id='method.swap_greed' class='method'><code>fn <a href='#method.swap_greed' class='fnname'>swap_greed</a>(self, yes: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a>) -> <a class='struct' href='../regex_syntax/struct.ExprBuilder.html' title='regex_syntax::ExprBuilder'>ExprBuilder</a></code></h4>
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<div class='docblock'><p>Set the default value for the greedy swap (<code>U</code>) flag.</p>
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</div><h4 id='method.ignore_whitespace' class='method'><code>fn <a href='#method.ignore_whitespace' class='fnname'>ignore_whitespace</a>(self, yes: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a>) -> <a class='struct' href='../regex_syntax/struct.ExprBuilder.html' title='regex_syntax::ExprBuilder'>ExprBuilder</a></code></h4>
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<div class='docblock'><p>Set the default value for the ignore whitespace (<code>x</code>) flag.</p>
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</div><h4 id='method.unicode' class='method'><code>fn <a href='#method.unicode' class='fnname'>unicode</a>(self, yes: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a>) -> <a class='struct' href='../regex_syntax/struct.ExprBuilder.html' title='regex_syntax::ExprBuilder'>ExprBuilder</a></code></h4>
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<div class='docblock'><p>Set the default value for the Unicode (<code>u</code>) flag.</p>
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<p>If <code>yes</code> is false, then <code>allow_bytes</code> is set to true.</p>
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</div><h4 id='method.allow_bytes' class='method'><code>fn <a href='#method.allow_bytes' class='fnname'>allow_bytes</a>(self, yes: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a>) -> <a class='struct' href='../regex_syntax/struct.ExprBuilder.html' title='regex_syntax::ExprBuilder'>ExprBuilder</a></code></h4>
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<div class='docblock'><p>Whether the Unicode flag can be used or not. By default, the flag is
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enabled but it cannot be toggled.</p>
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<p>When disabled, use of the <code>u</code> flag will cause the parser to return an
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error.</p>
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</div><h4 id='method.nest_limit' class='method'><code>fn <a href='#method.nest_limit' class='fnname'>nest_limit</a>(self, limit: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.usize.html'>usize</a>) -> <a class='struct' href='../regex_syntax/struct.ExprBuilder.html' title='regex_syntax::ExprBuilder'>ExprBuilder</a></code></h4>
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<div class='docblock'><p>Set the nesting limit for regular expression parsing.</p>
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<p>Regular expressions that nest more than this limit will result in a
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<code>StackExhausted</code> error.</p>
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</div><h4 id='method.parse' class='method'><code>fn <a href='#method.parse' class='fnname'>parse</a>(self, s: &<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.str.html'>str</a>) -> <a class='type' href='../regex_syntax/type.Result.html' title='regex_syntax::Result'>Result</a><<a class='enum' href='../regex_syntax/enum.Expr.html' title='regex_syntax::Expr'>Expr</a>></code></h4>
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<div class='docblock'><p>Parse a string as a regular expression using the current configuraiton.</p>
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</div></div><h2 id='implementations'>Trait Implementations</h2><h3 id='derived_implementations'>Derived Implementations </h3><h3 class='impl'><code>impl <a class='trait' href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html' title='core::fmt::Debug'>Debug</a> for <a class='struct' href='../regex_syntax/struct.ExprBuilder.html' title='regex_syntax::ExprBuilder'>ExprBuilder</a></code></h3><div class='impl-items'><h4 id='method.fmt' class='method'><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, __arg_0: &mut <a class='struct' href='https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html' title='core::fmt::Formatter'>Formatter</a>) -> <a class='type' href='https://doc.rust-lang.org/nightly/core/fmt/type.Result.html' title='core::fmt::Result'>Result</a></code></h4>
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</div><h3 class='impl'><code>impl <a class='trait' href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html' title='core::clone::Clone'>Clone</a> for <a class='struct' href='../regex_syntax/struct.ExprBuilder.html' title='regex_syntax::ExprBuilder'>ExprBuilder</a></code></h3><div class='impl-items'><h4 id='method.clone' class='method'><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&self) -> <a class='struct' href='../regex_syntax/struct.ExprBuilder.html' title='regex_syntax::ExprBuilder'>ExprBuilder</a></code></h4>
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<h4 id='method.clone_from' class='method'><span class="since">1.0.0</span><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from' class='fnname'>clone_from</a>(&mut self, source: &Self)</code></h4>
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