﻿<html><head><meta http-equiv="X-UA-Compatible" content="IE=edge" /><link rel="shortcut icon" href="../icons/favicon.ico" /><style type="text/css">.OH_CodeSnippetContainerTabLeftActive, .OH_CodeSnippetContainerTabLeft,.OH_CodeSnippetContainerTabLeftDisabled { }.OH_CodeSnippetContainerTabRightActive, .OH_CodeSnippetContainerTabRight,.OH_CodeSnippetContainerTabRightDisabled { }.OH_footer { }</style><link rel="stylesheet" type="text/css" href="../styles/branding.css" /><link rel="stylesheet" type="text/css" href="../styles/branding-en-US.css" /><script type="text/javascript" src="../scripts/branding.js"> </script><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>StringMatchFilter Class</title><meta name="Language" content="en-us" /><meta name="System.Keywords" content="StringMatchFilter class" /><meta name="System.Keywords" content="log4net.Filter.StringMatchFilter class" /><meta name="System.Keywords" content="StringMatchFilter class, about StringMatchFilter class" /><meta name="Microsoft.Help.F1" content="log4net.Filter.StringMatchFilter" /><meta name="Microsoft.Help.Id" content="T:log4net.Filter.StringMatchFilter" /><meta name="Description" content="Simple filter to match a string in the rendered message" /><meta name="Microsoft.Help.ContentType" content="Reference" /><meta name="BrandingAware" content="true" /><meta name="container" content="log4net.Filter" /><meta name="file" content="T_log4net_Filter_StringMatchFilter" /><meta name="guid" content="T_log4net_Filter_StringMatchFilter" /></head><body onload="OnLoad('cs')"><input type="hidden" id="userDataCache" class="userDataStyle" /><div class="OH_outerDiv"><div class="OH_outerContent"><table class="TitleTable"><tr><td class="OH_tdTitleColumn">StringMatchFilter Class</td><td class="OH_tdRunningTitleColumn">Apache log4net™ SDK Documentation</td></tr></table><div id="mainSection"><div id="mainBody"><span class="introStyle"></span><div class="summary">
            Simple filter to match a string in the rendered message
            </div><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Inheritance Hierarchy</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">System<span id="LSTCDC9F70B_0"></span><script type="text/javascript">AddLanguageSpecificTextSet("LSTCDC9F70B_0?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>Object</a><br />  <a href="T_log4net_Filter_FilterSkeleton.htm">log4net.Filter<span id="LSTCDC9F70B_1"></span><script type="text/javascript">AddLanguageSpecificTextSet("LSTCDC9F70B_1?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>FilterSkeleton</a><br />    <span class="selflink">log4net.Filter<span id="LSTCDC9F70B_2"></span><script type="text/javascript">AddLanguageSpecificTextSet("LSTCDC9F70B_2?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>StringMatchFilter</span><br />      <a href="T_log4net_Filter_PropertyFilter.htm">log4net.Filter<span id="LSTCDC9F70B_3"></span><script type="text/javascript">AddLanguageSpecificTextSet("LSTCDC9F70B_3?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>PropertyFilter</a><br /><p> </p><strong>Namespace:</strong> <a href="N_log4net_Filter.htm">log4net.Filter</a><br /><strong>Assembly:</strong> log4net (in log4net.dll) Version: 2.0.6.0-.NET 4.0<div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Syntax</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><div class="OH_CodeSnippetContainer"><div class="OH_CodeSnippetContainerTabs"><div class="OH_CodeSnippetContainerTabLeft" id="ID0EDCA_tabimgleft"> </div><div id="ID0EDCA_tab1" class="OH_CodeSnippetContainerTabFirst"><a href="#" onclick="javascript:ChangeTab('ID0EDCA','cs','1','4');return false;">C#</a></div><div id="ID0EDCA_tab2" class="OH_CodeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID0EDCA','vb','2','4');return false;">VB</a></div><div id="ID0EDCA_tab3" class="OH_CodeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID0EDCA','cpp','3','4');return false;">C++</a></div><div id="ID0EDCA_tab4" class="OH_CodeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID0EDCA','fs','4','4');return false;">F#</a></div><div class="OH_CodeSnippetContainerTabRight" id="ID0EDCA_tabimgright"> </div></div><div class="OH_CodeSnippetContainerCodeCollection"><div class="OH_CodeSnippetToolBar"><div class="OH_CodeSnippetToolBarText"><a id="ID0EDCA_copyCode" href="#" onclick="javascript:CopyToClipboard('ID0EDCA');return false;" title="Copy">Copy</a></div></div><div id="ID0EDCA_code_Div1" class="OH_CodeSnippetContainerCode" style="display: block"><pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">class</span> <span class="identifier">StringMatchFilter</span> : <span class="identifier">FilterSkeleton</span></pre></div><div id="ID0EDCA_code_Div2" class="OH_CodeSnippetContainerCode" style="display: none"><pre xml:space="preserve"><span class="keyword">Public</span> <span class="keyword">Class</span> <span class="identifier">StringMatchFilter</span>
	<span class="keyword">Inherits</span> <span class="identifier">FilterSkeleton</span></pre></div><div id="ID0EDCA_code_Div3" class="OH_CodeSnippetContainerCode" style="display: none"><pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">ref class</span> <span class="identifier">StringMatchFilter</span> : <span class="keyword">public</span> <span class="identifier">FilterSkeleton</span></pre></div><div id="ID0EDCA_code_Div4" class="OH_CodeSnippetContainerCode" style="display: none"><pre xml:space="preserve"><span class="keyword">type</span> <span class="identifier">StringMatchFilter</span> =  
    <span class="keyword">class</span>
        <span class="keyword">inherit</span> <span class="identifier">FilterSkeleton</span>
    <span class="keyword">end</span></pre></div></div></div><script type="text/javascript">AddLanguageTabSet("ID0EDCA");</script><p>The <span class="selflink">StringMatchFilter</span> type exposes the following members.</p><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Constructors</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><table id="memberList" class="members"><tr><th class="ps_iconColumn">
								 
							</th><th>Name</th><th>Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_Filter_StringMatchFilter__ctor.htm">StringMatchFilter</a></td><td><div class="summary">
            Default constructor
            </div></td></tr></table><a href="#mainBody">Top</a><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Properties</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><table id="memberList" class="members"><tr><th class="ps_iconColumn">
								 
							</th><th>Name</th><th>Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="P_log4net_Filter_StringMatchFilter_AcceptOnMatch.htm">AcceptOnMatch</a></td><td><div class="summary"><a href="T_log4net_Filter_FilterDecision.htm">Accept</a> when matching <a href="P_log4net_Filter_StringMatchFilter_StringToMatch.htm">StringToMatch</a> or <a href="P_log4net_Filter_StringMatchFilter_RegexToMatch.htm">RegexToMatch</a></div></td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="P_log4net_Filter_FilterSkeleton_Next.htm">Next</a></td><td><div class="summary">
            Property to get and set the next filter
            </div> (Inherited from <a href="T_log4net_Filter_FilterSkeleton.htm">FilterSkeleton</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="P_log4net_Filter_StringMatchFilter_RegexToMatch.htm">RegexToMatch</a></td><td><div class="summary">
            Sets the regular expression to match
            </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="P_log4net_Filter_StringMatchFilter_StringToMatch.htm">StringToMatch</a></td><td><div class="summary">
            Sets the static string to match
            </div></td></tr></table><a href="#mainBody">Top</a><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Methods</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><table id="memberList" class="members"><tr><th class="ps_iconColumn">
								 
							</th><th>Name</th><th>Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_Filter_StringMatchFilter_ActivateOptions.htm">ActivateOptions</a></td><td><div class="summary">
            Initialize and precompile the Regex if required
            </div> (Overrides <a href="M_log4net_Filter_FilterSkeleton_ActivateOptions.htm">FilterSkeleton<span id="LSTCDC9F70B_4"></span><script type="text/javascript">AddLanguageSpecificTextSet("LSTCDC9F70B_4?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>ActivateOptions<span id="LSTCDC9F70B_5"></span><script type="text/javascript">AddLanguageSpecificTextSet("LSTCDC9F70B_5?cs=()|vb=|cpp=()|nu=()|fs=()");</script></a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_Filter_StringMatchFilter_Decide.htm">Decide</a></td><td><div class="summary">
            Check if this filter should allow the event to be logged
            </div> (Overrides <a href="M_log4net_Filter_FilterSkeleton_Decide.htm">FilterSkeleton<span id="LSTCDC9F70B_6"></span><script type="text/javascript">AddLanguageSpecificTextSet("LSTCDC9F70B_6?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>Decide(LoggingEvent)</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/bsc2ak47" target="_blank">Equals</a></td><td><div class="summary">
                    Determines whether the specified <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a> is equal to the current <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.
                </div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="protected;inherited;notNetfw;"><td><img src="../icons/protmethod.gif" alt="Protected method" title="Protected method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/4k87zsw7" target="_blank">Finalize</a></td><td><div class="summary">
                    Allows an <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a> to attempt to free resources and perform other cleanup operations before the <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a> is reclaimed by garbage collection.
                </div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/zdee4b3y" target="_blank">GetHashCode</a></td><td><div class="summary">
                    Serves as a hash function for a particular type. 
                </div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/dfwy45w9" target="_blank">GetType</a></td><td><div class="summary">
                    Gets the <a href="http://msdn2.microsoft.com/en-us/library/42892f65" target="_blank">Type</a> of the current instance.
                </div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="protected;inherited;notNetfw;"><td><img src="../icons/protmethod.gif" alt="Protected method" title="Protected method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/57ctke0a" target="_blank">MemberwiseClone</a></td><td><div class="summary">
                    Creates a shallow copy of the current <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.
                </div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/7bxwbwt2" target="_blank">ToString</a></td><td><div class="summary">
                    Returns a <a href="http://msdn2.microsoft.com/en-us/library/s1wwdcbf" target="_blank">String</a> that represents the current <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.
                </div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr></table><a href="#mainBody">Top</a><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Fields</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><table id="memberList" class="members"><tr><th class="ps_iconColumn">
								 
							</th><th>Name</th><th>Description</th></tr><tr data="protected;declared;notNetfw;"><td><img src="../icons/protfield.gif" alt="Protected field" title="Protected field" /></td><td><a href="F_log4net_Filter_StringMatchFilter_m_acceptOnMatch.htm">m_acceptOnMatch</a></td><td><div class="summary">
            Flag to indicate the behavior when we have a match
            </div></td></tr><tr data="protected;declared;notNetfw;"><td><img src="../icons/protfield.gif" alt="Protected field" title="Protected field" /></td><td><a href="F_log4net_Filter_StringMatchFilter_m_regexToMatch.htm">m_regexToMatch</a></td><td><div class="summary">
            A regex object to match (generated from m_stringRegexToMatch)
            </div></td></tr><tr data="protected;declared;notNetfw;"><td><img src="../icons/protfield.gif" alt="Protected field" title="Protected field" /></td><td><a href="F_log4net_Filter_StringMatchFilter_m_stringRegexToMatch.htm">m_stringRegexToMatch</a></td><td><div class="summary">
            A string regex to match
            </div></td></tr><tr data="protected;declared;notNetfw;"><td><img src="../icons/protfield.gif" alt="Protected field" title="Protected field" /></td><td><a href="F_log4net_Filter_StringMatchFilter_m_stringToMatch.htm">m_stringToMatch</a></td><td><div class="summary">
            The string to substring match against the message
            </div></td></tr></table><a href="#mainBody">Top</a><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Remarks</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><p>
            Simple filter to match a string in the rendered message
            </p><div class="OH_CollapsibleAreaRegion" id="seeAlsoSection"><div class="OH_regiontitle">See Also</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><h4 class="subHeading">Reference</h4><div class="seeAlsoStyle"><a href="N_log4net_Filter.htm">log4net.Filter Namespace</a></div></div></div></div></div><div id="OH_footer" class="OH_footer">Apache log4net, Apache and log4net are trademarks of The Apache Software Foundation.<p><a href="http://logging.apache.org/log4net/" target="_blank">Copyright 2004-2016 The Apache Software Foundation</a></p><div class="OH_feedbacklink">Send comments on this topic to
        <a id="HT_MailLink" href="mailto:http%3A%2F%2Flogging.apache.org%2Flog4net%2Fmail-lists.html?Subject=Apache log4net™ SDK Documentation">http://logging.apache.org/log4net/mail-lists.html</a></div><script type="text/javascript">
        var HT_mailLink = document.getElementById("HT_MailLink");
        var HT_mailLinkText = HT_mailLink.innerHTML;
        HT_mailLink.href += ": " + document.title + "\u0026body=" + encodeURIComponent("Your feedback is used to improve the documentation and the product. Your e-mail address will not be used for any other purpose and is disposed of after the issue you report is resolved. While working to resolve the issue that you report, you may be contacted via e-mail to get further details or clarification on the feedback you sent. After the issue you report has been addressed, you may receive an e-mail to let you know that your feedback has been addressed.");
        HT_mailLink.innerHTML = HT_mailLinkText;
        </script> </div></body></html>