Question
In: Computer Science
Linux regular expressions: file name: lab3test.txt Create regular expressions that meet the following criteria. You may...
Linux regular expressions:
file name: lab3test.txt
Create regular expressions that meet the following criteria. You may use grep or egrep to answer these questions.
1.Match any lines that contain a phone number with the format 222-222-2222.
Solutions
Expert Solution
Here is the linux command that matches the given criteria. It not only matchs "222-222-2222" format, but also matches
-
(222)222-2222 -
222 222 2222 -
2222222222
Please let me know if you need any
modifications.
Command:
grep '[0-9]\{3\}[ -]\?[0-9]\{3\}[ -]\?[0-9]\{4\}' phonenumbersGrep is a Linux / Unix command-line tool used to search for a string of characters in a specified file. The text search pattern is called a regular expression.
Where phonenumbers is the name of the file where numbers exists.
Output:
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venereology answered 2 years agoRelated Solutions
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