Global Regular Expression Print - Revision history

Xbl: /* Use */

2025-07-01T13:44:43Z

Use

← Older revision		Revision as of 15:44, 1 July 2025
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	== Use ==		== Use ==
	<code>grep /etc/ssh/sshd_config pattern</code> match pattern in /etc/sshd_config, case sensitive</br>		<code>grep /etc/ssh/sshd_config pattern</code> match pattern in /etc/sshd_config, case sensitive</br>
			</br>
			3 characters before and 4 characters after</br>
			<code>echo "some123_string_and_another" \| grep -o -P '.{0,3}string.{0,4}'</code></br>
			result: 23_string_and</br>

	== Useful Flags ==		== Useful Flags ==

Xbl at 15:05, 30 December 2022

2022-12-30T15:05:50Z

← Older revision		Revision as of 17:05, 30 December 2022
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	== Useful Flags ==		== Useful Flags ==
	<code>-E</code> use extended regex</br>		<code>-E</code> use extended regex</br>
	~~<code>-i</code> case insensitive</br>~~
	<code>-A x</code> print x lines after matched pattern</br>		<code>-A x</code> print x lines after matched pattern</br>
	<code>-B x</code> print x lines before matched pattern</br>		<code>-B x</code> print x lines before matched pattern</br>
	<code>-C x</code> print x lines before and after matched pattern, results separated by "--"</br>		<code>-C x</code> print x lines before and after matched pattern, results separated by "--"</br>
			<code>-c</code> print number of matches</br>
			<code>-i</code> case insensitive</br>
			<code>-mX</code> limit number of matches to X</br>
	<code>-n</code> print line number from file</br>		<code>-n</code> print line number from file</br>
	<code>-o</code> only print matched pattern</br>		<code>-o</code> only print matched pattern</br>
	<code>-R</code> search ~~all files~~ in given folder</br>		<code>-R</code> recursive search in a given folder, follow symlinks</br>
	<code>-v</code> inverse ~~match~~</br>		<code>-r</code> recursive search in a given folder, don't follow symlinks</br>
			<code>-v</code> match inverse</br>
	<code>-w</code> match whole words only</br>		<code>-w</code> match whole words only</br>

Xbl at 14:39, 30 December 2022

2022-12-30T14:39:39Z

← Older revision		Revision as of 16:39, 30 December 2022
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	<code>-o</code> only print matched pattern</br>		<code>-o</code> only print matched pattern</br>
	<code>-R</code> search all files in given folder</br>		<code>-R</code> search all files in given folder</br>
			<code>-v</code> inverse match</br>
			<code>-w</code> match whole words only</br>

Xbl: /* Useful Flags */

2022-12-30T14:28:51Z

Useful Flags

← Older revision		Revision as of 16:28, 30 December 2022
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	<code>-n</code> print line number from file</br>		<code>-n</code> print line number from file</br>
	<code>-o</code> only print matched pattern</br>		<code>-o</code> only print matched pattern</br>
			<code>-R</code> search all files in given folder</br>

Xbl: Created page with "= grep = Print lines from text that match patterns, basic regex is used by default
== Use == `grep /etc/ssh/sshd_config pattern` match pattern in /etc/sshd_config, case sensitive
== Useful Flags == `-E` use extended regex
`-i` case insensitive
`-A x` print x lines after matched pattern
`-B x` print x lines before matched pattern
`-C x` print x lines before and after matched..."

2022-12-30T14:27:50Z

Created page with "= grep = Print lines from text that match patterns, basic regex is used by default == Use == <code>grep /etc/ssh/sshd_config pattern</code> match pattern in /etc/sshd_config, case sensitive == Useful Flags == <code>-E</code> use extended regex <code>-i</code> case insensitive <code>-A x</code> print x lines after matched pattern <code>-B x</code> print x lines before matched pattern <code>-C x</code> print x lines before and after matched..."

New page

= grep =

Print lines from text that match patterns, basic regex is used by default

== Use ==
<code>grep /etc/ssh/sshd_config pattern</code> match pattern in /etc/sshd_config, case sensitive

== Useful Flags ==
<code>-E</code> use extended regex
<code>-i</code> case insensitive
<code>-A x</code> print x lines after matched pattern
<code>-B x</code> print x lines before matched pattern
<code>-C x</code> print x lines before and after matched pattern, results separated by "--"
<code>-n</code> print line number from file
<code>-o</code> only print matched pattern