Character Description \w soann \W \d \D \s \S Matches any character. Any word character. A word character includes upper and lowercase letters, any digit, or the underscore character. Any nonword character. Any digit. Any nondigit. Any whitespace. Any nonwhitespace.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Which of these can allow underscores or punctuation characters......... Please explain your answer as neatly as possible...........

 

Character Description
\w
soann
\W
\d
\D
\s
\S
Matches any character.
Any word character. A word character includes upper
and lowercase letters, any digit, or the underscore
character.
Any nonword character.
Any digit.
Any nondigit.
Any whitespace.
Any nonwhitespace.
Transcribed Image Text:Character Description \w soann \W \d \D \s \S Matches any character. Any word character. A word character includes upper and lowercase letters, any digit, or the underscore character. Any nonword character. Any digit. Any nondigit. Any whitespace. Any nonwhitespace.
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