通配符

WILDCARDS
1
Wildcard     Meaning
*        Matches any characters
?        Matches any single character
[characters]     Matches any character that is a member of the set characters
[!characters]     Matches any character that is not a member of the set characters
[[:class:]]         Matches any character that is a member of the specified class


2
Character Class Meaning
[:alnum:] -->[0-9,a-z,A-Z]
[:alpha:] -->[a-z,A-Z]
[:digit:] -->[0-9]
[:lower:] Matches any lowercase letter
[:upper:] Matches any uppercase letter

3
*             All files
g*             Any file beginning with “g”
b*.txt         Any file beginning with “b” followed by any characters and ending with “.txt”
Data???         Any file beginning with “Data” followed by exactly three characters
[abc]*           Any file beginning with either an “a”, a “b”, or a “c”
BACKUP.[0-9][0-9][0-9] Any file beginning with “BACKUP.” followed by exactly three numerals
[[:upper:]]*         Any file beginning with an uppercase letter
[![:digit:]]*         Any file not beginning with a numeral
*[[:lower:]123]     Any file ending with a lowercase letter or the numerals “1”, “2”, or “3”

Reference

 

The Linux® Command Line
William E. Shotts, Jr.

A LinuxCommand.org Book

Page 31