1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<!-- Copyright (C) 1988-2021 Free Software Foundation, Inc. 4 5Permission is granted to copy, distribute and/or modify this document 6under the terms of the GNU Free Documentation License, Version 1.3 or 7any later version published by the Free Software Foundation; with the 8Invariant Sections being "Free Software" and "Free Software Needs 9Free Documentation", with the Front-Cover Texts being "A GNU Manual," 10and with the Back-Cover Texts as in (a) below. 11 12(a) The FSF's Back-Cover Text is: "You are free to copy and modify 13this GNU Manual. Buying copies from GNU Press supports the FSF in 14developing GNU and promoting software freedom." --> 15<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> 16<head> 17<title>Debugging with GDB: Search</title> 18 19<meta name="description" content="Debugging with GDB: Search"> 20<meta name="keywords" content="Debugging with GDB: Search"> 21<meta name="resource-type" content="document"> 22<meta name="distribution" content="global"> 23<meta name="Generator" content="makeinfo"> 24<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 25<link href="index.html#Top" rel="start" title="Top"> 26<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index"> 27<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> 28<link href="Source.html#Source" rel="up" title="Source"> 29<link href="Source-Path.html#Source-Path" rel="next" title="Source Path"> 30<link href="Edit.html#Edit" rel="previous" title="Edit"> 31<style type="text/css"> 32<!-- 33a.summary-letter {text-decoration: none} 34blockquote.smallquotation {font-size: smaller} 35div.display {margin-left: 3.2em} 36div.example {margin-left: 3.2em} 37div.indentedblock {margin-left: 3.2em} 38div.lisp {margin-left: 3.2em} 39div.smalldisplay {margin-left: 3.2em} 40div.smallexample {margin-left: 3.2em} 41div.smallindentedblock {margin-left: 3.2em; font-size: smaller} 42div.smalllisp {margin-left: 3.2em} 43kbd {font-style:oblique} 44pre.display {font-family: inherit} 45pre.format {font-family: inherit} 46pre.menu-comment {font-family: serif} 47pre.menu-preformatted {font-family: serif} 48pre.smalldisplay {font-family: inherit; font-size: smaller} 49pre.smallexample {font-size: smaller} 50pre.smallformat {font-family: inherit; font-size: smaller} 51pre.smalllisp {font-size: smaller} 52span.nocodebreak {white-space:nowrap} 53span.nolinebreak {white-space:nowrap} 54span.roman {font-family:serif; font-weight:normal} 55span.sansserif {font-family:sans-serif; font-weight:normal} 56ul.no-bullet {list-style: none} 57--> 58</style> 59 60 61</head> 62 63<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> 64<a name="Search"></a> 65<div class="header"> 66<p> 67Next: <a href="Source-Path.html#Source-Path" accesskey="n" rel="next">Source Path</a>, Previous: <a href="Edit.html#Edit" accesskey="p" rel="previous">Edit</a>, Up: <a href="Source.html#Source" accesskey="u" rel="up">Source</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p> 68</div> 69<hr> 70<a name="Searching-Source-Files"></a> 71<h3 class="section">9.4 Searching Source Files</h3> 72<a name="index-searching-source-files"></a> 73 74<p>There are two commands for searching through the current source file for a 75regular expression. 76</p> 77<dl compact="compact"> 78<dd><a name="index-search"></a> 79<a name="index-forward_002dsearch"></a> 80<a name="index-fo-_0028forward_002dsearch_0029"></a> 81</dd> 82<dt><code>forward-search <var>regexp</var></code></dt> 83<dt><code>search <var>regexp</var></code></dt> 84<dd><p>The command ‘<samp>forward-search <var>regexp</var></samp>’ checks each line, 85starting with the one following the last line listed, for a match for 86<var>regexp</var>. It lists the line that is found. You can use the 87synonym ‘<samp>search <var>regexp</var></samp>’ or abbreviate the command name as 88<code>fo</code>. 89</p> 90<a name="index-reverse_002dsearch"></a> 91</dd> 92<dt><code>reverse-search <var>regexp</var></code></dt> 93<dd><p>The command ‘<samp>reverse-search <var>regexp</var></samp>’ checks each line, starting 94with the one before the last line listed and going backward, for a match 95for <var>regexp</var>. It lists the line that is found. You can abbreviate 96this command as <code>rev</code>. 97</p></dd> 98</dl> 99 100 101 102 103</body> 104</html> 105