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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<div class="navpath"><a class="el" href="namespaceWt.html">Wt</a>::<a class="el" href="classWt_1_1WIntValidator.html">WIntValidator</a>
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<h1>Wt::WIntValidator Class Reference</h1><!-- doxytag: class="Wt::WIntValidator" --><!-- doxytag: inherits="Wt::WValidator" -->A validator that validates integer user input.
<a href="#_details">More...</a>
<p>
<code>#include <Wt/WIntValidator></code>
<p>
<div class="dynheader">
Inheritance diagram for Wt::WIntValidator:</div>
<div class="dynsection">
<p><center><img src="classWt_1_1WIntValidator__inherit__graph.png" border="0" usemap="#Wt_1_1WIntValidator__inherit__map" alt="Inheritance graph"></center>
<map name="Wt_1_1WIntValidator__inherit__map">
<area shape="rect" href="classWt_1_1WValidator.html" title="A validator is used to validate user input according to pre-defined rules." alt="" coords="13,80,120,107"><area shape="rect" href="classWt_1_1WObject.html" title="A base class for objects that participate in the signal/slot system." alt="" coords="19,5,115,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="classWt_1_1WIntValidator-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="89d08b52740d6791ce4741c1cc74cd5b"></a><!-- doxytag: member="Wt::WIntValidator::WIntValidator" ref="89d08b52740d6791ce4741c1cc74cd5b" args="(WObject *parent=0)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#89d08b52740d6791ce4741c1cc74cd5b">WIntValidator</a> (<a class="el" href="classWt_1_1WObject.html">WObject</a> *parent=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a new integer validator that accepts any integer. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f81e1d2d1a0fce7e92fdf3b8b67bfbe1"></a><!-- doxytag: member="Wt::WIntValidator::WIntValidator" ref="f81e1d2d1a0fce7e92fdf3b8b67bfbe1" args="(int minimum, int maximum, WObject *parent=0)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#f81e1d2d1a0fce7e92fdf3b8b67bfbe1">WIntValidator</a> (int minimum, int maximum, <a class="el" href="classWt_1_1WObject.html">WObject</a> *parent=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a new integer validator that accepts integer input within the given range. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="58ab417ac57782691b6ad6987ad7b8dd"></a><!-- doxytag: member="Wt::WIntValidator::bottom" ref="58ab417ac57782691b6ad6987ad7b8dd" args="() const " -->
int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#58ab417ac57782691b6ad6987ad7b8dd">bottom</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the bottom of the valid integer range. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#365500d492560d016b3ba7f263ce282c">setBottom</a> (int bottom)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the bottom of the valid integer range. <a href="#365500d492560d016b3ba7f263ce282c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9534fc0b7b7864e71a80b77dcfbff5ec"></a><!-- doxytag: member="Wt::WIntValidator::top" ref="9534fc0b7b7864e71a80b77dcfbff5ec" args="() const " -->
int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#9534fc0b7b7864e71a80b77dcfbff5ec">top</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the top of the valid integer range. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#8a804c3ea0811b5c32de974592a1c88c">setTop</a> (int top)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the top of the valid integer range. <a href="#8a804c3ea0811b5c32de974592a1c88c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="fe180f56f061c98fcc9de6be20effe38"></a><!-- doxytag: member="Wt::WIntValidator::setRange" ref="fe180f56f061c98fcc9de6be20effe38" args="(int bottom, int top)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#fe180f56f061c98fcc9de6be20effe38">setRange</a> (int bottom, int top)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the range of valid integers. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="classWt_1_1WValidator.html#638a1feefca259ea2f806a8add2d18a3">State</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#15807b522c601992d5275a729ed69285">validate</a> (<a class="el" href="classWt_1_1WString.html">WString</a> &input) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Validates the given input. <a href="#15807b522c601992d5275a729ed69285"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f956eb115e0b77053c33cf6872ace2e9"></a><!-- doxytag: member="Wt::WIntValidator::createExtConfig" ref="f956eb115e0b77053c33cf6872ace2e9" args="(std::ostream &config) const " -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#f956eb115e0b77053c33cf6872ace2e9">createExtConfig</a> (std::ostream &config) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Provides Ext-compatible config options for client-side validation. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#9bc399a9536652c9ab52301669909b6a">setInvalidNotANumberText</a> (const <a class="el" href="classWt_1_1WString.html">WString</a> &text)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the message to display when the input is not a number. <a href="#9bc399a9536652c9ab52301669909b6a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1WString.html">WString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#c799cd9012ceebded234968a8975f9a8">invalidNotANumberText</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the message displayed when the input is not a number. <a href="#c799cd9012ceebded234968a8975f9a8"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#680b57bde8dacfe52e8e65d4abbcf4c6">setInvalidTooSmallText</a> (const <a class="el" href="classWt_1_1WString.html">WString</a> &text)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the message to display when the number is too small. <a href="#680b57bde8dacfe52e8e65d4abbcf4c6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1WString.html">WString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#ed9ac49dea2069f723dd1f95a5f02744">invalidTooSmallText</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the message displayed when the number is too small. <a href="#ed9ac49dea2069f723dd1f95a5f02744"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#2e474c6f5ffecff9c8d7cc27810b211f">setInvalidTooLargeText</a> (const <a class="el" href="classWt_1_1WString.html">WString</a> &text)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the message to display when the number is too large. <a href="#2e474c6f5ffecff9c8d7cc27810b211f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1WString.html">WString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#873f37b94a25ab9e1102c48f8bd3c7b1">invalidTooLargeText</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the message displayed when the number is too large. <a href="#873f37b94a25ab9e1102c48f8bd3c7b1"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#61217a65efb5d2e06262e3710224ea46">javaScriptValidate</a> (const std::string &jsRef) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a Javascript expression that validates the input. <a href="#61217a65efb5d2e06262e3710224ea46"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#aa26351e1a00502da10a9d67a7eea817">inputFilter</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns a regular expression that filters input. <a href="#aa26351e1a00502da10a9d67a7eea817"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
A validator that validates integer user input.
<p>
This validator checks whether user input is an integer number in a pre-defined range.<p>
Usage example: <div class="fragment"><pre class="fragment"> <a class="code" href="classWt_1_1WLineEdit.html" title="A widget that provides a single line edit.">Wt::WLineEdit</a> *lineEdit = <span class="keyword">new</span> <a class="code" href="classWt_1_1WLineEdit.html" title="A widget that provides a single line edit.">Wt::WLineEdit</a>(<span class="keyword">this</span>);
<a class="code" href="classWt_1_1WIntValidator.html" title="A validator that validates integer user input.">Wt::WIntValidator</a> *validator = <span class="keyword">new</span> <a class="code" href="classWt_1_1WIntValidator.html" title="A validator that validates integer user input.">Wt::WIntValidator</a>(0, 100);
lineEdit-><a class="code" href="classWt_1_1WFormWidget.html#a773d16013d6959149ce5081e84b259c" title="Sets a validator for this field.">setValidator</a>(validator);
lineEdit-><a class="code" href="classWt_1_1WLineEdit.html#ddb99c6ab5483836adf44a2706a410af" title="Sets the content of the line edit.">setText</a>(<span class="stringliteral">"50"</span>);
</pre></div> <hr><h2>Member Function Documentation</h2>
<a class="anchor" name="365500d492560d016b3ba7f263ce282c"></a><!-- doxytag: member="Wt::WIntValidator::setBottom" ref="365500d492560d016b3ba7f263ce282c" args="(int bottom)" -->
<div class="memitem">
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<td class="memname">void Wt::WIntValidator::setBottom </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>bottom</em> </td>
<td> ) </td>
<td></td>
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<div class="memdoc">
<p>
Sets the bottom of the valid integer range.
<p>
The default value is the minimum integer value.
</div>
</div><p>
<a class="anchor" name="8a804c3ea0811b5c32de974592a1c88c"></a><!-- doxytag: member="Wt::WIntValidator::setTop" ref="8a804c3ea0811b5c32de974592a1c88c" args="(int top)" -->
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<td class="memname">void Wt::WIntValidator::setTop </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>top</em> </td>
<td> ) </td>
<td></td>
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<div class="memdoc">
<p>
Sets the top of the valid integer range.
<p>
The default value is the maximum integer value.
</div>
</div><p>
<a class="anchor" name="15807b522c601992d5275a729ed69285"></a><!-- doxytag: member="Wt::WIntValidator::validate" ref="15807b522c601992d5275a729ed69285" args="(WString &input) const " -->
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<td class="memname"><a class="el" href="classWt_1_1WValidator.html#638a1feefca259ea2f806a8add2d18a3">WValidator::State</a> Wt::WIntValidator::validate </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classWt_1_1WString.html">WString</a> & </td>
<td class="paramname"> <em>input</em> </td>
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<td> const<code> [virtual]</code></td>
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<p>
Validates the given input.
<p>
The input is considered valid only when it is blank for a non-mandatory field, or represents an integer within the valid range.
<p>Reimplemented from <a class="el" href="classWt_1_1WValidator.html#fce53cf7c8fa1692234df0538163b4e0">Wt::WValidator</a>.</p>
</div>
</div><p>
<a class="anchor" name="9bc399a9536652c9ab52301669909b6a"></a><!-- doxytag: member="Wt::WIntValidator::setInvalidNotANumberText" ref="9bc399a9536652c9ab52301669909b6a" args="(const WString &text)" -->
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<td class="memname">void Wt::WIntValidator::setInvalidNotANumberText </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WString.html">WString</a> & </td>
<td class="paramname"> <em>text</em> </td>
<td> ) </td>
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<div class="memdoc">
<p>
Sets the message to display when the input is not a number.
<p>
The default value is "Must be an integer number."
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<a class="anchor" name="c799cd9012ceebded234968a8975f9a8"></a><!-- doxytag: member="Wt::WIntValidator::invalidNotANumberText" ref="c799cd9012ceebded234968a8975f9a8" args="() const " -->
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<td class="memname"><a class="el" href="classWt_1_1WString.html">WString</a> Wt::WIntValidator::invalidNotANumberText </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const</td>
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<p>
Returns the message displayed when the input is not a number.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WIntValidator.html#9bc399a9536652c9ab52301669909b6a" title="Sets the message to display when the input is not a number.">setInvalidNotANumberText(const WString&)</a> </dd></dl>
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<a class="anchor" name="680b57bde8dacfe52e8e65d4abbcf4c6"></a><!-- doxytag: member="Wt::WIntValidator::setInvalidTooSmallText" ref="680b57bde8dacfe52e8e65d4abbcf4c6" args="(const WString &text)" -->
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<td class="memname">void Wt::WIntValidator::setInvalidTooSmallText </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WString.html">WString</a> & </td>
<td class="paramname"> <em>text</em> </td>
<td> ) </td>
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<div class="memdoc">
<p>
Sets the message to display when the number is too small.
<p>
Depending on whether <a class="el" href="classWt_1_1WIntValidator.html#58ab417ac57782691b6ad6987ad7b8dd" title="Returns the bottom of the valid integer range.">bottom()</a> and <a class="el" href="classWt_1_1WIntValidator.html#9534fc0b7b7864e71a80b77dcfbff5ec" title="Returns the top of the valid integer range.">top()</a> are real bounds, the default message is "The number must be between {1} and {2}" or "The number must be larger than {1}".
</div>
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<a class="anchor" name="ed9ac49dea2069f723dd1f95a5f02744"></a><!-- doxytag: member="Wt::WIntValidator::invalidTooSmallText" ref="ed9ac49dea2069f723dd1f95a5f02744" args="() const " -->
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<td class="memname"><a class="el" href="classWt_1_1WString.html">WString</a> Wt::WIntValidator::invalidTooSmallText </td>
<td>(</td>
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<td> ) </td>
<td> const</td>
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<p>
Returns the message displayed when the number is too small.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WIntValidator.html#680b57bde8dacfe52e8e65d4abbcf4c6" title="Sets the message to display when the number is too small.">setInvalidTooSmallText(const WString&)</a> </dd></dl>
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<a class="anchor" name="2e474c6f5ffecff9c8d7cc27810b211f"></a><!-- doxytag: member="Wt::WIntValidator::setInvalidTooLargeText" ref="2e474c6f5ffecff9c8d7cc27810b211f" args="(const WString &text)" -->
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<td class="memname">void Wt::WIntValidator::setInvalidTooLargeText </td>
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Sets the message to display when the number is too large.
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Depending on whether <a class="el" href="classWt_1_1WIntValidator.html#58ab417ac57782691b6ad6987ad7b8dd" title="Returns the bottom of the valid integer range.">bottom()</a> and <a class="el" href="classWt_1_1WIntValidator.html#9534fc0b7b7864e71a80b77dcfbff5ec" title="Returns the top of the valid integer range.">top()</a> are real bounds, the default message is "The number must be between {1} and {2}" or "The number must be smaller than {2}".
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<a class="anchor" name="873f37b94a25ab9e1102c48f8bd3c7b1"></a><!-- doxytag: member="Wt::WIntValidator::invalidTooLargeText" ref="873f37b94a25ab9e1102c48f8bd3c7b1" args="() const " -->
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<td class="memname"><a class="el" href="classWt_1_1WString.html">WString</a> Wt::WIntValidator::invalidTooLargeText </td>
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Returns the message displayed when the number is too large.
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WIntValidator.html#2e474c6f5ffecff9c8d7cc27810b211f" title="Sets the message to display when the number is too large.">setInvalidTooLargeText(const WString&)</a> </dd></dl>
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<a class="anchor" name="61217a65efb5d2e06262e3710224ea46"></a><!-- doxytag: member="Wt::WIntValidator::javaScriptValidate" ref="61217a65efb5d2e06262e3710224ea46" args="(const std::string &jsRef) const " -->
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Creates a Javascript expression that validates the input.
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The JavaScript expression should evaluate to an object with two fields: a boolean <em>valid</em>, and a <code>message</code> that indicates the problem if not valid.<p>
Return an empty string if you are not provide the client-side validation.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WIntValidator.html#aa26351e1a00502da10a9d67a7eea817" title="Returns a regular expression that filters input.">inputFilter()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="classWt_1_1WValidator.html#5141a6c178329e6d26faad71e7bf26aa">Wt::WValidator</a>.</p>
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<a class="anchor" name="aa26351e1a00502da10a9d67a7eea817"></a><!-- doxytag: member="Wt::WIntValidator::inputFilter" ref="aa26351e1a00502da10a9d67a7eea817" args="() const " -->
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Returns a regular expression that filters input.
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The returned regular expression is used to filter keys presses. The regular expression should accept valid single characters.<p>
For details on valid regular expressions, see <a class="el" href="classWt_1_1WRegExpValidator.html" title="A validator that checks user input against a regular expression.">WRegExpValidator</a>. As an example, "[0-9]" would only accept numbers as valid input.<p>
The default implementation returns an empty string, which does not filter any input.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WIntValidator.html#61217a65efb5d2e06262e3710224ea46" title="Creates a Javascript expression that validates the input.">javaScriptValidate()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="classWt_1_1WValidator.html#1ca29b7eaabf4c1655200ec382a84554">Wt::WValidator</a>.</p>
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