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Changes to grep/manual/html_node/Fundamental-Structure.html,v
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From: |
Jim Meyering |
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Subject: |
Changes to grep/manual/html_node/Fundamental-Structure.html,v |
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Date: |
Sun, 23 Nov 2014 22:23:41 +0000 |
CVSROOT: /webcvs/grep
Module name: grep
Changes by: Jim Meyering <meyering> 14/11/23 22:23:33
Index: html_node/Fundamental-Structure.html
===================================================================
RCS file: /webcvs/grep/grep/manual/html_node/Fundamental-Structure.html,v
retrieving revision 1.19
retrieving revision 1.20
diff -u -b -r1.19 -r1.20
--- html_node/Fundamental-Structure.html 3 Jun 2014 14:47:03 -0000
1.19
+++ html_node/Fundamental-Structure.html 23 Nov 2014 22:23:31 -0000
1.20
@@ -1,8 +1,8 @@
<html lang="en">
<head>
-<title>Fundamental Structure - GNU Grep 2.20</title>
+<title>Fundamental Structure - GNU Grep 2.21</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="description" content="GNU Grep 2.20">
+<meta name="description" content="GNU Grep 2.21">
<meta name="generator" content="makeinfo 4.13">
<link title="Top" rel="start" href="index.html#Top">
<link rel="up" href="Regular-Expressions.html#Regular-Expressions"
title="Regular Expressions">
@@ -56,22 +56,22 @@
repetition operators:
<dl>
-<dt>‘<samp><span class="samp">.</span></samp>’<dd><a
name="index-g_t_002e-188"></a><a name="index-dot-189"></a><a
name="index-period-190"></a>The period ‘<samp><span
class="samp">.</span></samp>’ matches any single character.
+<dt>‘<samp><span class="samp">.</span></samp>’<dd><a
name="index-g_t_002e-193"></a><a name="index-dot-194"></a><a
name="index-period-195"></a>The period ‘<samp><span
class="samp">.</span></samp>’ matches any single character.
- <br><dt>‘<samp><span class="samp">?</span></samp>’<dd><a
name="index-g_t_003f-191"></a><a name="index-question-mark-192"></a><a
name="index-match-expression-at-most-once-193"></a>The preceding item is
optional and will be matched at most once.
+ <br><dt>‘<samp><span class="samp">?</span></samp>’<dd><a
name="index-g_t_003f-196"></a><a name="index-question-mark-197"></a><a
name="index-match-expression-at-most-once-198"></a>The preceding item is
optional and will be matched at most once.
- <br><dt>‘<samp><span class="samp">*</span></samp>’<dd><a
name="index-g_t_002a-194"></a><a name="index-asterisk-195"></a><a
name="index-match-expression-zero-or-more-times-196"></a>The preceding item
will be matched zero or more times.
+ <br><dt>‘<samp><span class="samp">*</span></samp>’<dd><a
name="index-g_t_002a-199"></a><a name="index-asterisk-200"></a><a
name="index-match-expression-zero-or-more-times-201"></a>The preceding item
will be matched zero or more times.
- <br><dt>‘<samp><span class="samp">+</span></samp>’<dd><a
name="index-g_t_002b-197"></a><a name="index-plus-sign-198"></a><a
name="index-match-expression-one-or-more-times-199"></a>The preceding item will
be matched one or more times.
+ <br><dt>‘<samp><span class="samp">+</span></samp>’<dd><a
name="index-g_t_002b-202"></a><a name="index-plus-sign-203"></a><a
name="index-match-expression-one-or-more-times-204"></a>The preceding item will
be matched one or more times.
- <br><dt>‘<samp><span class="samp">{</span><var>n</var><span
class="samp">}</span></samp>’<dd><a
name="index-g_t_0040_007b_0040var_007bn_007d_0040_007d-200"></a><a
name="index-braces_002c-one-argument-201"></a><a
name="index-match-expression-_0040var_007bn_007d-times-202"></a>The preceding
item is matched exactly <var>n</var> times.
+ <br><dt>‘<samp><span class="samp">{</span><var>n</var><span
class="samp">}</span></samp>’<dd><a
name="index-g_t_0040_007b_0040var_007bn_007d_0040_007d-205"></a><a
name="index-braces_002c-one-argument-206"></a><a
name="index-match-expression-_0040var_007bn_007d-times-207"></a>The preceding
item is matched exactly <var>n</var> times.
- <br><dt>‘<samp><span class="samp">{</span><var>n</var><span
class="samp">,}</span></samp>’<dd><a
name="index-g_t_0040_007b_0040var_007bn_007d_002c_0040_007d-203"></a><a
name="index-braces_002c-second-argument-omitted-204"></a><a
name="index-match-expression-_0040var_007bn_007d-or-more-times-205"></a>The
preceding item is matched <var>n</var> or more times.
+ <br><dt>‘<samp><span class="samp">{</span><var>n</var><span
class="samp">,}</span></samp>’<dd><a
name="index-g_t_0040_007b_0040var_007bn_007d_002c_0040_007d-208"></a><a
name="index-braces_002c-second-argument-omitted-209"></a><a
name="index-match-expression-_0040var_007bn_007d-or-more-times-210"></a>The
preceding item is matched <var>n</var> or more times.
- <br><dt>‘<samp><span class="samp">{,</span><var>m</var><span
class="samp">}</span></samp>’<dd><a
name="index-g_t_0040_007b_002c_0040var_007bm_007d_0040_007d-206"></a><a
name="index-braces_002c-first-argument-omitted-207"></a><a
name="index-match-expression-at-most-_0040var_007bm_007d-times-208"></a>The
preceding item is matched at most <var>m</var> times.
+ <br><dt>‘<samp><span class="samp">{,</span><var>m</var><span
class="samp">}</span></samp>’<dd><a
name="index-g_t_0040_007b_002c_0040var_007bm_007d_0040_007d-211"></a><a
name="index-braces_002c-first-argument-omitted-212"></a><a
name="index-match-expression-at-most-_0040var_007bm_007d-times-213"></a>The
preceding item is matched at most <var>m</var> times.
This is a GNU extension.
- <br><dt>‘<samp><span class="samp">{</span><var>n</var><span
class="samp">,</span><var>m</var><span
class="samp">}</span></samp>’<dd><a
name="index-g_t_0040_007b_0040var_007bn_007d_002c_0040var_007bm_007d_0040_007d-209"></a><a
name="index-braces_002c-two-arguments-210"></a><a
name="index-match-expression-from-_0040var_007bn_007d-to-_0040var_007bm_007d-times-211"></a>The
preceding item is matched at least <var>n</var> times, but not more than
+ <br><dt>‘<samp><span class="samp">{</span><var>n</var><span
class="samp">,</span><var>m</var><span
class="samp">}</span></samp>’<dd><a
name="index-g_t_0040_007b_0040var_007bn_007d_002c_0040var_007bm_007d_0040_007d-214"></a><a
name="index-braces_002c-two-arguments-215"></a><a
name="index-match-expression-from-_0040var_007bn_007d-to-_0040var_007bm_007d-times-216"></a>The
preceding item is matched at least <var>n</var> times, but not more than
<var>m</var> times.
</dl>
@@ -90,6 +90,7 @@
which in turn takes precedence over alternation.
A whole expression may be enclosed in parentheses
to override these precedence rules and form a subexpression.
+An unmatched ‘<samp><span class="samp">)</span></samp>’ matches
just itself.
</body></html>
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