<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>lmatch</title><link rel="stylesheet" type="text/css" href="rivet.css"><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Apache Rivet"><link rel="up" href="commands.html" title="Rivet Tcl Commands and Variables"><link rel="prev" href="lempty.html" title="lempty"><link rel="next" href="load_cookies.html" title="load_cookies"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">lmatch</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="lempty.html"><img src="images/prev.png" alt="Prev"></a> </td><th width="60%" align="center">Rivet Tcl Commands and Variables</th><td width="20%" align="right"> <a accesskey="n" href="load_cookies.html"><img src="images/next.png" alt="Next"></a></td></tr></table></div><div class="refentry"><div class="refentry.separator"><hr></div><a name="lmatch"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>lmatch — 
		    Look for elements in &lt;list&gt; that match &lt;pattern&gt;
		</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis" style="width:80%"><div style="border: 1px solid #282; margin:1ex ; padding:.4ex; padding-left: 0.8ex;   word-spacing:1ex "><span style="font-weight:bold ; font-family:monospace">::rivet::lmatch</span>  (<span style="font-family:monospace; font-weight: bold;">-exact</span> | <span style="font-family:monospace; font-weight: bold;">-glob</span> | <span style="font-family:monospace; font-weight: bold;">-regexp</span>)  <span style="font-family:monospace; font-weight: bold;">list</span>   <span style="font-family:monospace; font-weight: bold;">pattern</span> </div></div></div><div class="refsect1"><a name="idp56478816"></a><h2>Description</h2><p style="width:90%">
		    Look for elements in &lt;list&gt; that match &lt;pattern&gt;.  
		    This command is a decent replacement for TclX lmatch command when TclX is
            not available 
		</p><p style="width:90%">
		    In the following example a regular expression is matched against
		    each element in the input list and a list containing the matching
		    elements is returned
		</p><p style="width:90%">
		    </p><pre class="programlisting">::rivet::lmatch -regexp { aaxa bxxb ccxxxxcc } {.+[x]{2}.+}
bxxb ccxxxxcc</pre><p style="width:90%">
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