Tag Archives: regular expressions

Perl – Using Pattern-sequence Memory with Regular Expressions

Pattern-sequence memory is very useful when you want to match the same character in several places but don’t care which character you match as long as all occurrences are the same character. For example, the below code matches the date … Continue reading

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Use Perl’s regex to count the # of words in a file

In the below code I use Perl’s regex capabilites to count the # of words in a file. Notice I used “\s” in the regex expression to account for not only spaces but also tab and new line characters. In … Continue reading

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