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<p class='location'>Enum ErrorKind</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#variants">Variants</a><div class="sidebar-links"><a href="#variant.CaptureLimitExceeded">CaptureLimitExceeded</a><a href="#variant.ClassEscapeInvalid">ClassEscapeInvalid</a><a href="#variant.ClassRangeInvalid">ClassRangeInvalid</a><a href="#variant.ClassRangeLiteral">ClassRangeLiteral</a><a href="#variant.ClassUnclosed">ClassUnclosed</a><a href="#variant.DecimalEmpty">DecimalEmpty</a><a href="#variant.DecimalInvalid">DecimalInvalid</a><a href="#variant.EscapeHexEmpty">EscapeHexEmpty</a><a href="#variant.EscapeHexInvalid">EscapeHexInvalid</a><a href="#variant.EscapeHexInvalidDigit">EscapeHexInvalidDigit</a><a href="#variant.EscapeUnexpectedEof">EscapeUnexpectedEof</a><a href="#variant.EscapeUnrecognized">EscapeUnrecognized</a><a href="#variant.FlagDanglingNegation">FlagDanglingNegation</a><a href="#variant.FlagDuplicate">FlagDuplicate</a><a href="#variant.FlagRepeatedNegation">FlagRepeatedNegation</a><a href="#variant.FlagUnexpectedEof">FlagUnexpectedEof</a><a href="#variant.FlagUnrecognized">FlagUnrecognized</a><a href="#variant.GroupNameDuplicate">GroupNameDuplicate</a><a href="#variant.GroupNameEmpty">GroupNameEmpty</a><a href="#variant.GroupNameInvalid">GroupNameInvalid</a><a href="#variant.GroupNameUnexpectedEof">GroupNameUnexpectedEof</a><a href="#variant.GroupUnclosed">GroupUnclosed</a><a href="#variant.GroupUnopened">GroupUnopened</a><a href="#variant.NestLimitExceeded">NestLimitExceeded</a><a href="#variant.RepetitionCountInvalid">RepetitionCountInvalid</a><a href="#variant.RepetitionCountUnclosed">RepetitionCountUnclosed</a><a href="#variant.RepetitionMissing">RepetitionMissing</a><a href="#variant.UnsupportedBackreference">UnsupportedBackreference</a><a href="#variant.UnsupportedLookAround">UnsupportedLookAround</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Clone">Clone</a><a href="#impl-Debug">Debug</a><a href="#impl-Eq">Eq</a><a href="#impl-PartialEq">PartialEq</a><a href="#impl-Display">Display</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a></div></div><p class='location'><a href='../index.html'>regex_syntax</a>::<wbr><a href='index.html'>ast</a></p><script>window.sidebarCurrent = {name: 'ErrorKind', ty: 'enum', relpath: ''};</script><script defer src="sidebar-items.js"></script></div>
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<section id='main' class="content"><h1 class='fqn'><span class='in-band'>Enum <a href='../index.html'>regex_syntax</a>::<wbr><a href='index.html'>ast</a>::<wbr><a class="enum" href=''>ErrorKind</a></span><span class='out-of-band'><span id='render-detail'>
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</span><a class='srclink' href='../../src/regex_syntax/ast/mod.rs.html#79-180' title='goto source code'>[src]</a></span></h1><div class="docblock type-decl"><pre class='rust enum'>pub enum ErrorKind {
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CaptureLimitExceeded,
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ClassEscapeInvalid,
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ClassRangeInvalid,
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ClassRangeLiteral,
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ClassUnclosed,
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DecimalEmpty,
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DecimalInvalid,
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EscapeHexEmpty,
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EscapeHexInvalid,
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EscapeHexInvalidDigit,
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EscapeUnexpectedEof,
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EscapeUnrecognized,
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FlagDanglingNegation,
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FlagDuplicate {
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original: <a class="struct" href="../../regex_syntax/ast/struct.Span.html" title="struct regex_syntax::ast::Span">Span</a>,
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},
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FlagRepeatedNegation {
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original: <a class="struct" href="../../regex_syntax/ast/struct.Span.html" title="struct regex_syntax::ast::Span">Span</a>,
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},
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FlagUnexpectedEof,
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FlagUnrecognized,
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GroupNameDuplicate {
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original: <a class="struct" href="../../regex_syntax/ast/struct.Span.html" title="struct regex_syntax::ast::Span">Span</a>,
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},
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GroupNameEmpty,
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GroupNameInvalid,
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GroupNameUnexpectedEof,
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GroupUnclosed,
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GroupUnopened,
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NestLimitExceeded(<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>),
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RepetitionCountInvalid,
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RepetitionCountUnclosed,
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RepetitionMissing,
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UnsupportedBackreference,
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UnsupportedLookAround,
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// some variants omitted
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}</pre></div><div class='docblock'><p>The type of an error that occurred while building an AST.</p>
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</div><h2 id='variants' class='variants small-section-header'>
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Variants<a href='#variants' class='anchor'></a></h2>
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<span id="variant.CaptureLimitExceeded" class="variant small-section-header"><a href="#variant.CaptureLimitExceeded" class="anchor field"></a><span id='CaptureLimitExceeded.v' class='invisible'><code>CaptureLimitExceeded</code></span></span><div class='docblock'><p>The capturing group limit was exceeded.</p>
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<p>Note that this represents a limit on the total number of capturing
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groups in a regex and not necessarily the number of nested capturing
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groups. That is, the nest limit can be low and it is still possible for
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this error to occur.</p>
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</div><span id="variant.ClassEscapeInvalid" class="variant small-section-header"><a href="#variant.ClassEscapeInvalid" class="anchor field"></a><span id='ClassEscapeInvalid.v' class='invisible'><code>ClassEscapeInvalid</code></span></span><div class='docblock'><p>An invalid escape sequence was found in a character class set.</p>
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</div><span id="variant.ClassRangeInvalid" class="variant small-section-header"><a href="#variant.ClassRangeInvalid" class="anchor field"></a><span id='ClassRangeInvalid.v' class='invisible'><code>ClassRangeInvalid</code></span></span><div class='docblock'><p>An invalid character class range was found. An invalid range is any
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range where the start is greater than the end.</p>
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</div><span id="variant.ClassRangeLiteral" class="variant small-section-header"><a href="#variant.ClassRangeLiteral" class="anchor field"></a><span id='ClassRangeLiteral.v' class='invisible'><code>ClassRangeLiteral</code></span></span><div class='docblock'><p>An invalid range boundary was found in a character class. Range
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boundaries must be a single literal codepoint, but this error indicates
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that something else was found, such as a nested class.</p>
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</div><span id="variant.ClassUnclosed" class="variant small-section-header"><a href="#variant.ClassUnclosed" class="anchor field"></a><span id='ClassUnclosed.v' class='invisible'><code>ClassUnclosed</code></span></span><div class='docblock'><p>An opening <code>[</code> was found with no corresponding closing <code>]</code>.</p>
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</div><span id="variant.DecimalEmpty" class="variant small-section-header"><a href="#variant.DecimalEmpty" class="anchor field"></a><span id='DecimalEmpty.v' class='invisible'><code>DecimalEmpty</code></span></span><div class='docblock'><p>An empty decimal number was given where one was expected.</p>
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</div><span id="variant.DecimalInvalid" class="variant small-section-header"><a href="#variant.DecimalInvalid" class="anchor field"></a><span id='DecimalInvalid.v' class='invisible'><code>DecimalInvalid</code></span></span><div class='docblock'><p>An invalid decimal number was given where one was expected.</p>
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</div><span id="variant.EscapeHexEmpty" class="variant small-section-header"><a href="#variant.EscapeHexEmpty" class="anchor field"></a><span id='EscapeHexEmpty.v' class='invisible'><code>EscapeHexEmpty</code></span></span><div class='docblock'><p>A bracketed hex literal was empty.</p>
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</div><span id="variant.EscapeHexInvalid" class="variant small-section-header"><a href="#variant.EscapeHexInvalid" class="anchor field"></a><span id='EscapeHexInvalid.v' class='invisible'><code>EscapeHexInvalid</code></span></span><div class='docblock'><p>A bracketed hex literal did not correspond to a Unicode scalar value.</p>
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</div><span id="variant.EscapeHexInvalidDigit" class="variant small-section-header"><a href="#variant.EscapeHexInvalidDigit" class="anchor field"></a><span id='EscapeHexInvalidDigit.v' class='invisible'><code>EscapeHexInvalidDigit</code></span></span><div class='docblock'><p>An invalid hexadecimal digit was found.</p>
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</div><span id="variant.EscapeUnexpectedEof" class="variant small-section-header"><a href="#variant.EscapeUnexpectedEof" class="anchor field"></a><span id='EscapeUnexpectedEof.v' class='invisible'><code>EscapeUnexpectedEof</code></span></span><div class='docblock'><p>EOF was found before an escape sequence was completed.</p>
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</div><span id="variant.EscapeUnrecognized" class="variant small-section-header"><a href="#variant.EscapeUnrecognized" class="anchor field"></a><span id='EscapeUnrecognized.v' class='invisible'><code>EscapeUnrecognized</code></span></span><div class='docblock'><p>An unrecognized escape sequence.</p>
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</div><span id="variant.FlagDanglingNegation" class="variant small-section-header"><a href="#variant.FlagDanglingNegation" class="anchor field"></a><span id='FlagDanglingNegation.v' class='invisible'><code>FlagDanglingNegation</code></span></span><div class='docblock'><p>A dangling negation was used when setting flags, e.g., <code>i-</code>.</p>
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</div><span id="variant.FlagDuplicate" class="variant small-section-header"><a href="#variant.FlagDuplicate" class="anchor field"></a><span id='FlagDuplicate.v' class='invisible'><code>FlagDuplicate</code></span></span><div class='docblock'><p>A flag was used twice, e.g., <code>i-i</code>.</p>
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</div><span class='docblock autohide sub-variant' id='variant.FlagDuplicate.fields'><h3 class='fields'>Fields of <code>FlagDuplicate</code></h3>
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<table><tr><td id='variant.FlagDuplicate.field.original'><span id='FlagDuplicate.v.original.v' class='invisible'><code>original: <a class="struct" href="../../regex_syntax/ast/struct.Span.html" title="struct regex_syntax::ast::Span">Span</a></code></span></td><td><div class='docblock'><p>The position of the original flag. The error position
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points to the duplicate flag.</p>
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</div></td></tr></table></span><span id="variant.FlagRepeatedNegation" class="variant small-section-header"><a href="#variant.FlagRepeatedNegation" class="anchor field"></a><span id='FlagRepeatedNegation.v' class='invisible'><code>FlagRepeatedNegation</code></span></span><div class='docblock'><p>The negation operator was used twice, e.g., <code>-i-s</code>.</p>
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</div><span class='docblock autohide sub-variant' id='variant.FlagRepeatedNegation.fields'><h3 class='fields'>Fields of <code>FlagRepeatedNegation</code></h3>
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<table><tr><td id='variant.FlagRepeatedNegation.field.original'><span id='FlagRepeatedNegation.v.original.v' class='invisible'><code>original: <a class="struct" href="../../regex_syntax/ast/struct.Span.html" title="struct regex_syntax::ast::Span">Span</a></code></span></td><td><div class='docblock'><p>The position of the original negation operator. The error position
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points to the duplicate negation operator.</p>
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</div></td></tr></table></span><span id="variant.FlagUnexpectedEof" class="variant small-section-header"><a href="#variant.FlagUnexpectedEof" class="anchor field"></a><span id='FlagUnexpectedEof.v' class='invisible'><code>FlagUnexpectedEof</code></span></span><div class='docblock'><p>Expected a flag but got EOF, e.g., <code>(?</code>.</p>
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</div><span id="variant.FlagUnrecognized" class="variant small-section-header"><a href="#variant.FlagUnrecognized" class="anchor field"></a><span id='FlagUnrecognized.v' class='invisible'><code>FlagUnrecognized</code></span></span><div class='docblock'><p>Unrecognized flag, e.g., <code>a</code>.</p>
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</div><span id="variant.GroupNameDuplicate" class="variant small-section-header"><a href="#variant.GroupNameDuplicate" class="anchor field"></a><span id='GroupNameDuplicate.v' class='invisible'><code>GroupNameDuplicate</code></span></span><div class='docblock'><p>A duplicate capture name was found.</p>
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</div><span class='docblock autohide sub-variant' id='variant.GroupNameDuplicate.fields'><h3 class='fields'>Fields of <code>GroupNameDuplicate</code></h3>
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<table><tr><td id='variant.GroupNameDuplicate.field.original'><span id='GroupNameDuplicate.v.original.v' class='invisible'><code>original: <a class="struct" href="../../regex_syntax/ast/struct.Span.html" title="struct regex_syntax::ast::Span">Span</a></code></span></td><td><div class='docblock'><p>The position of the initial occurrence of the capture name. The
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error position itself points to the duplicate occurrence.</p>
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</div></td></tr></table></span><span id="variant.GroupNameEmpty" class="variant small-section-header"><a href="#variant.GroupNameEmpty" class="anchor field"></a><span id='GroupNameEmpty.v' class='invisible'><code>GroupNameEmpty</code></span></span><div class='docblock'><p>A capture group name is empty, e.g., <code>(?P<>abc)</code>.</p>
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</div><span id="variant.GroupNameInvalid" class="variant small-section-header"><a href="#variant.GroupNameInvalid" class="anchor field"></a><span id='GroupNameInvalid.v' class='invisible'><code>GroupNameInvalid</code></span></span><div class='docblock'><p>An invalid character was seen for a capture group name. This includes
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errors where the first character is a digit (even though subsequent
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characters are allowed to be digits).</p>
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</div><span id="variant.GroupNameUnexpectedEof" class="variant small-section-header"><a href="#variant.GroupNameUnexpectedEof" class="anchor field"></a><span id='GroupNameUnexpectedEof.v' class='invisible'><code>GroupNameUnexpectedEof</code></span></span><div class='docblock'><p>A closing <code>></code> could not be found for a capture group name.</p>
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</div><span id="variant.GroupUnclosed" class="variant small-section-header"><a href="#variant.GroupUnclosed" class="anchor field"></a><span id='GroupUnclosed.v' class='invisible'><code>GroupUnclosed</code></span></span><div class='docblock'><p>An unclosed group, e.g., <code>(ab</code>.</p>
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<p>The span of this error corresponds to the unclosed parenthesis.</p>
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</div><span id="variant.GroupUnopened" class="variant small-section-header"><a href="#variant.GroupUnopened" class="anchor field"></a><span id='GroupUnopened.v' class='invisible'><code>GroupUnopened</code></span></span><div class='docblock'><p>An unopened group, e.g., <code>ab)</code>.</p>
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</div><span id="variant.NestLimitExceeded" class="variant small-section-header"><a href="#variant.NestLimitExceeded" class="anchor field"></a><span id='NestLimitExceeded.v' class='invisible'><code>NestLimitExceeded(<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>)</code></span></span><div class='docblock'><p>The nest limit was exceeded. The limit stored here is the limit
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configured in the parser.</p>
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</div><span id="variant.RepetitionCountInvalid" class="variant small-section-header"><a href="#variant.RepetitionCountInvalid" class="anchor field"></a><span id='RepetitionCountInvalid.v' class='invisible'><code>RepetitionCountInvalid</code></span></span><div class='docblock'><p>The range provided in a counted repetition operator is invalid. The
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range is invalid if the start is greater than the end.</p>
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</div><span id="variant.RepetitionCountUnclosed" class="variant small-section-header"><a href="#variant.RepetitionCountUnclosed" class="anchor field"></a><span id='RepetitionCountUnclosed.v' class='invisible'><code>RepetitionCountUnclosed</code></span></span><div class='docblock'><p>An opening <code>{</code> was found with no corresponding closing <code>}</code>.</p>
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</div><span id="variant.RepetitionMissing" class="variant small-section-header"><a href="#variant.RepetitionMissing" class="anchor field"></a><span id='RepetitionMissing.v' class='invisible'><code>RepetitionMissing</code></span></span><div class='docblock'><p>A repetition operator was applied to a missing sub-expression. This
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occurs, for example, in the regex consisting of just a <code>*</code> or even
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<code>(?i)*</code>. It is, however, possible to create a repetition operating on
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an empty sub-expression. For example, <code>()*</code> is still considered valid.</p>
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</div><span id="variant.UnsupportedBackreference" class="variant small-section-header"><a href="#variant.UnsupportedBackreference" class="anchor field"></a><span id='UnsupportedBackreference.v' class='invisible'><code>UnsupportedBackreference</code></span></span><div class='docblock'><p>When octal support is disabled, this error is produced when an octal
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escape is used. The octal escape is assumed to be an invocation of
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a backreference, which is the common case.</p>
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</div><span id="variant.UnsupportedLookAround" class="variant small-section-header"><a href="#variant.UnsupportedLookAround" class="anchor field"></a><span id='UnsupportedLookAround.v' class='invisible'><code>UnsupportedLookAround</code></span></span><div class='docblock'><p>When syntax similar to PCRE's look-around is used, this error is
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returned. Some example syntaxes that are rejected include, but are
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not necessarily limited to, <code>(?=re)</code>, <code>(?!re)</code>, <code>(?<=re)</code> and
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<code>(?<!re)</code>. Note that all of these syntaxes are otherwise invalid; this
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error is used to improve the user experience.</p>
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</div>
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<h2 id='implementations' class='small-section-header'>
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|||
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Trait Implementations<a href='#implementations' class='anchor'></a>
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</h2>
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<div id='implementations-list'>
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<h3 id='impl-Clone' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="enum" href="../../regex_syntax/ast/enum.ErrorKind.html" title="enum regex_syntax::ast::ErrorKind">ErrorKind</a></code><a href='#impl-Clone' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex_syntax/ast/mod.rs.html#78' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.clone' class="method"><span id='clone.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&self) -> <a class="enum" href="../../regex_syntax/ast/enum.ErrorKind.html" title="enum regex_syntax::ast::ErrorKind">ErrorKind</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex_syntax/ast/mod.rs.html#78' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
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</div><h4 id='method.clone_from' class="method"><span id='clone_from.v' class='invisible'><table class='table-display'><tbody><tr><td><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: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self)</code></span></td><td><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/clone.rs.html#117-119' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
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</div></div><h3 id='impl-Debug' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="enum" href="../../regex_syntax/ast/enum.ErrorKind.html" title="enum regex_syntax::ast::ErrorKind">ErrorKind</a></code><a href='#impl-Debug' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex_syntax/ast/mod.rs.html#78' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.fmt' class="method"><span id='fmt.v' class='invisible'><table class='table-display'><tbody><tr><td><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="struct core::fmt::Formatter">Formatter</a>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex_syntax/ast/mod.rs.html#78' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
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</div></div><h3 id='impl-Eq' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> for <a class="enum" href="../../regex_syntax/ast/enum.ErrorKind.html" title="enum regex_syntax::ast::ErrorKind">ErrorKind</a></code><a href='#impl-Eq' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex_syntax/ast/mod.rs.html#78' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'></div><h3 id='impl-PartialEq' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a> for <a class="enum" href="../../regex_syntax/ast/enum.ErrorKind.html" title="enum regex_syntax::ast::ErrorKind">ErrorKind</a></code><a href='#impl-PartialEq' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex_syntax/ast/mod.rs.html#78' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.eq' class="method"><span id='eq.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq' class='fnname'>eq</a>(&self, __arg_0: &<a class="enum" href="../../regex_syntax/ast/enum.ErrorKind.html" title="enum regex_syntax::ast::ErrorKind">ErrorKind</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex_syntax/ast/mod.rs.html#78' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used by <code>==</code>. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq">Read more</a></p>
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</div><h4 id='method.ne' class="method"><span id='ne.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#method.ne' class='fnname'>ne</a>(&self, __arg_0: &<a class="enum" href="../../regex_syntax/ast/enum.ErrorKind.html" title="enum regex_syntax::ast::ErrorKind">ErrorKind</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex_syntax/ast/mod.rs.html#78' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>This method tests for <code>!=</code>.</p>
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</div></div><h3 id='impl-Display' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> for <a class="enum" href="../../regex_syntax/ast/enum.ErrorKind.html" title="enum regex_syntax::ast::ErrorKind">ErrorKind</a></code><a href='#impl-Display' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex_syntax/ast/mod.rs.html#226-326' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.fmt-1' class="method"><span id='fmt.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt' class='fnname'>fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/regex_syntax/ast/mod.rs.html#227-325' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt">Read more</a></p>
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