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<div class="sub-title"><span class="module-label-in-type">Module</span>&nbsp;<a href="../../../../../module-summary.html">org.apache.jena.arq</a></div>
<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.jena.riot.system</a></div>
<h1 title="Class RiotChars" class="title">Class RiotChars</h1>
</div>
<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance">org.apache.jena.riot.system.RiotChars</div>
</div>
<section class="class-description" id="class-description">
<hr>
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">RiotChars</span>
<span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<li>
<section class="constructor-summary" id="constructor-summary">
<h2>Constructor Summary</h2>
<div class="caption"><span>Constructors</span></div>
<div class="summary-table two-column-summary">
<div class="table-header col-first">Constructor</div>
<div class="table-header col-last">Description</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">RiotChars</a>()</code></div>
<div class="col-last even-row-color">&nbsp;</div>
</div>
</section>
</li>
<!-- ========== METHOD SUMMARY =========== -->
<li>
<section class="method-summary" id="method-summary">
<h2>Method Summary</h2>
<div id="method-summary-table">
<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
<div id="method-summary-table.tabpanel" role="tabpanel">
<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isA2Z(int)" class="member-name-link">isA2Z</a><wbr>(int&nbsp;ch)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">ASCII A-Z</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isA2ZN(int)" class="member-name-link">isA2ZN</a><wbr>(int&nbsp;ch)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">ASCII A-Z or 0-9</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isAlpha(int)" class="member-name-link">isAlpha</a><wbr>(int&nbsp;codepoint)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isAlphaNumeric(int)" class="member-name-link">isAlphaNumeric</a><wbr>(int&nbsp;codepoint)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isDigit(int)" class="member-name-link">isDigit</a><wbr>(int&nbsp;ch)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">ASCII 0-9</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isHexChar(int)" class="member-name-link">isHexChar</a><wbr>(int&nbsp;ch)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Hexadecimal character</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isHexCharLC(int)" class="member-name-link">isHexCharLC</a><wbr>(int&nbsp;ch)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Hexadecimal character, only lower case a-f</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isHexCharUC(int)" class="member-name-link">isHexCharUC</a><wbr>(int&nbsp;ch)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Hexadecimal character, only upper case A-F</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isHorizontalWhitespace(int)" class="member-name-link">isHorizontalWhitespace</a><wbr>(int&nbsp;ch)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isNewlineChar(int)" class="member-name-link">isNewlineChar</a><wbr>(int&nbsp;ch)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isPN_LOCAL_ESC(char)" class="member-name-link">isPN_LOCAL_ESC</a><wbr>(char&nbsp;ch)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isPNChars(int)" class="member-name-link">isPNChars</a><wbr>(int&nbsp;ch)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isPNChars_U(int)" class="member-name-link">isPNChars_U</a><wbr>(int&nbsp;ch)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isPNChars_U_N(int)" class="member-name-link">isPNChars_U_N</a><wbr>(int&nbsp;ch)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isPNCharsBase(int)" class="member-name-link">isPNCharsBase</a><wbr>(int&nbsp;ch)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isWhitespace(int)" class="member-name-link">isWhitespace</a><wbr>(int&nbsp;ch)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#range(int,int,int)" class="member-name-link">range</a><wbr>(int&nbsp;ch,
int&nbsp;a,
int&nbsp;b)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Test whether a codepoint is a given range (both ends inclusive)</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static int</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#valHexChar(int)" class="member-name-link">valHexChar</a><wbr>(int&nbsp;ch)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<li>
<section class="constructor-details" id="constructor-detail">
<h2>Constructor Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="&lt;init&gt;()">
<h3>RiotChars</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">RiotChars</span>()</div>
</section>
</li>
</ul>
</section>
</li>
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="isAlpha(int)">
<h3>isAlpha</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isAlpha</span><wbr><span class="parameters">(int&nbsp;codepoint)</span></div>
</section>
</li>
<li>
<section class="detail" id="isAlphaNumeric(int)">
<h3>isAlphaNumeric</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isAlphaNumeric</span><wbr><span class="parameters">(int&nbsp;codepoint)</span></div>
</section>
</li>
<li>
<section class="detail" id="isA2Z(int)">
<h3>isA2Z</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isA2Z</span><wbr><span class="parameters">(int&nbsp;ch)</span></div>
<div class="block">ASCII A-Z</div>
</section>
</li>
<li>
<section class="detail" id="isA2ZN(int)">
<h3>isA2ZN</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isA2ZN</span><wbr><span class="parameters">(int&nbsp;ch)</span></div>
<div class="block">ASCII A-Z or 0-9</div>
</section>
</li>
<li>
<section class="detail" id="isDigit(int)">
<h3>isDigit</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isDigit</span><wbr><span class="parameters">(int&nbsp;ch)</span></div>
<div class="block">ASCII 0-9</div>
</section>
</li>
<li>
<section class="detail" id="isWhitespace(int)">
<h3>isWhitespace</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isWhitespace</span><wbr><span class="parameters">(int&nbsp;ch)</span></div>
</section>
</li>
<li>
<section class="detail" id="isHorizontalWhitespace(int)">
<h3>isHorizontalWhitespace</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isHorizontalWhitespace</span><wbr><span class="parameters">(int&nbsp;ch)</span></div>
</section>
</li>
<li>
<section class="detail" id="isNewlineChar(int)">
<h3>isNewlineChar</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isNewlineChar</span><wbr><span class="parameters">(int&nbsp;ch)</span></div>
</section>
</li>
<li>
<section class="detail" id="isPNCharsBase(int)">
<h3>isPNCharsBase</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isPNCharsBase</span><wbr><span class="parameters">(int&nbsp;ch)</span></div>
</section>
</li>
<li>
<section class="detail" id="isPNChars_U(int)">
<h3>isPNChars_U</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isPNChars_U</span><wbr><span class="parameters">(int&nbsp;ch)</span></div>
</section>
</li>
<li>
<section class="detail" id="isPNChars_U_N(int)">
<h3>isPNChars_U_N</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isPNChars_U_N</span><wbr><span class="parameters">(int&nbsp;ch)</span></div>
</section>
</li>
<li>
<section class="detail" id="isPNChars(int)">
<h3>isPNChars</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isPNChars</span><wbr><span class="parameters">(int&nbsp;ch)</span></div>
</section>
</li>
<li>
<section class="detail" id="isPN_LOCAL_ESC(char)">
<h3>isPN_LOCAL_ESC</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isPN_LOCAL_ESC</span><wbr><span class="parameters">(char&nbsp;ch)</span></div>
</section>
</li>
<li>
<section class="detail" id="isHexChar(int)">
<h3>isHexChar</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isHexChar</span><wbr><span class="parameters">(int&nbsp;ch)</span></div>
<div class="block">Hexadecimal character</div>
</section>
</li>
<li>
<section class="detail" id="isHexCharLC(int)">
<h3>isHexCharLC</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isHexCharLC</span><wbr><span class="parameters">(int&nbsp;ch)</span></div>
<div class="block">Hexadecimal character, only lower case a-f</div>
</section>
</li>
<li>
<section class="detail" id="isHexCharUC(int)">
<h3>isHexCharUC</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isHexCharUC</span><wbr><span class="parameters">(int&nbsp;ch)</span></div>
<div class="block">Hexadecimal character, only upper case A-F</div>
</section>
</li>
<li>
<section class="detail" id="valHexChar(int)">
<h3>valHexChar</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">valHexChar</span><wbr><span class="parameters">(int&nbsp;ch)</span></div>
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<section class="detail" id="range(int,int,int)">
<h3>range</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">range</span><wbr><span class="parameters">(int&nbsp;ch,
int&nbsp;a,
int&nbsp;b)</span></div>
<div class="block">Test whether a codepoint is a given range (both ends inclusive)</div>
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