Shopt built-in command enable Shell option (EXTGLOB)

Enabling the shell option with the shopt built-in command (EXTGLOB) recognizes several extended pattern matching operators

The pattern list is by | Segmentation

View Shell Options Extglob

Shopt |grep Extglob

Start Shell Option Extglob

Shopt-s Extglob

Turn off shell option Extglob

Shopt-u Extglob

? (pattern-list)	Match a given pattern 0 or one time
* (Pattern-list)	Matches a given pattern 0 or more times
+ (Pattern-list)	Matches a given pattern one or more times
@ (pattern-list)	Match one of the given patterns
! (pattern-list)	Match in addition to the given pattern

[email protected] ~]# LL

Total 0

-rw-r--r--1 root root 0 Nov 1 07:02 123

-rw-r--r--1 root root 0 Nov 1 07:02 aaaac

-rw-r--r--1 root root 0 Nov 1 06:51 aaab

-rw-r--r--1 root root 0 Nov 1 07:02 AAD

-rw-r--r--1 root root 0 Nov 1 07:02 AADG

-rw-r--r--1 root root 0 Nov 1 07:02 bb

-rw-r--r--1 root root 0 Nov 1 07:02 C

[[email protected] ~]# ls! (c|bb|123)

AAAAC Aaab AAD AADG

[Email protected] ~]# RM! (c|bb|123)-F

[email protected] ~]# LL

Total 0

-rw-r--r--1 root root 0 Nov 1 07:02 123

-rw-r--r--1 root root 0 Nov 1 07:02 bb

-rw-r--r--1 root root 0 Nov 1 07:02 C

Shopt built-in command enable Shell option (EXTGLOB)