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This article is to share with you the content of the sample analysis of CentOS Chinese wildcards. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

*: match zero or more characters

? Match any single character

~: current user home directory

~ username: user's home directory

~ +: current working directory

~ -: last working directory

[0-9]: matches any range of numbers

[amurz]: match any lowercase letter (note: depending on the file system)

[Amurz]: matches any uppercase letter

[wxc]: matches any character w or x or c in the list

[^ wxc]: matches any character except all characters in the list except wxc

[: digit:]: any number equal to 0-9. Double square brackets must be added in use [: digit:]

[: lower:]: any lowercase letter, equivalent to amerz, with double square brackets in use [: lower:]

[: upper:]: any uppercase letter, equivalent to Amurz, with double parentheses [: upper:]

[: alpha:]: letters of any size

[: alnum:]: any number or letter

[: blank:]: horizontal white space character

[: space:]: all white space characters

[: punct:]: all punctuation marks

[: print:]: printable characters

[: cntrl:]: control (non-printing) character

[: graph:]: graphic character

[: xdigit:]: hexadecimal character b

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