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Linux introduction: Difference between revisions
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the text "number 10 » or "number 11", etc. with any number between 10 and 29, | the text "number 10 » or "number 11", etc. with any number between 10 and 29, | ||
the following command can be used: | the following command can be used: | ||
{{ | {{Command|grep 'number [1-2][0-9]' file | ||
}} | }} | ||
A regular expression must be used for the search text. To learn more about regular expressions, | A regular expression must be used for the search text. To learn more about regular expressions, | ||
look at the following sites:<br /> | look at the following sites:<br /> | ||
[http://www.cyberciti.biz/faq/grep-regular-expressions/ A very complete list of regular expressions] <br /> | [http://www.cyberciti.biz/faq/grep-regular-expressions/ A very complete list of regular expressions] <br /> | ||