Difference between revisions of "Humdrum lab 7"
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[[File:basic-regular-expressions.png|600px|center]] | [[File:basic-regular-expressions.png|600px|center]] | ||
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| + | === Dot metacharacter == | ||
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| + | The dot, or period, character is used to indicate any single character. In the following example | ||
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| + | [[File:basic-regular-expression-dot.png|500px|center]] | ||
Revision as of 04:56, 4 May 2018
Regular Expressions
Basic Regular Expressions
"Basic" regular expressions are the initial implementation of grep, that came with unix in 1973. Here are the "metacharacters" in the basic implementation of regular expressions:
= Dot metacharacter
The dot, or period, character is used to indicate any single character. In the following example
