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Learning AWK Programming by Shiwang Kalkhanda

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Anchors

Anchors do not match the characters at all. Anchors are used to match the characters at certain positions, such as at the beginning or end of a line. If the anchors are not used in the proper position, either at the beginning or end of a regular expression, they do not act as anchors. The ^ and $ are two metacharacters that are known as anchors in regular expressions.

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