Metacharacters for Single Characters : Metacharacters « Regular Expression « Perl






  1. Perl
  2. Regular Expression
  3. Metacharacters

Metacharacters for Single Characters

    
Metacharacter               What It Matches
.                           Matches any character except a newline
[a-z0-9_]                   Matches any single character in set
[^a-z0-9_]                  Matches any single character not in set
\d                          Matches a single digit
\D                          Matches a single nondigit; same as [^0-9]
\w                          Matches a single alphanumeric (word) character; same as [a-z0-9_]
\W                          Matches a single nonalphanumeric (nonword) character; same as [^a-z0-9_]








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