103.7 Search text files using regular expressions
- Reference to LPI objectives
- Weight
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3
- Key knowledge areas
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Create simple regular expressions containing several notational elements.
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Understand the differences between basic and extended regular expressions.
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Understand the concepts of special characters, character classes, quantifiers and anchors.
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Use regular expression tools to perform searches through a filesystem or file content.
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Use regular expressions to delete, change and substitute text.
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- Partial list of the used files, terms and utilities
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grep -
egrep -
fgrep -
sed -
regex(7)
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