Character Class: Whitespace Characters : Character Class « Regular Expression « Perl






  1. Perl
  2. Regular Expression
  3. Character Class

Character Class: Whitespace Characters

    

Metacharacter               What It Matches
\s                          Matches a whitespace character, such as spaces, tabs, and newlines
\S                          Matches nonwhitespace character
\n                          Matches a newline
\r                          Matches a return
\t                          Matches a tab
\f                          Matches a form feed
\b                          Matches a backspace
\0                          Matches a null character








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4.Character Class: Remembered Characters
5.Character Class: Repeated Characters
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8.Posix and Unicode Classes
9.The bracket metacharacters and negation
10.The bracketed character class