Shell wildcards, regular expressions, and regular expressions
Source: Internet
Author: User
Shell wildcards, regular expressions, and regular expressions can be used in Shell. common wildcards are as follows: ●? Represents any single character. ● * represents any string of any length. ● [] represents matching any character in the character set in []. ● {} character in braces... information & nb Shell wildcards, regular expressions, and regular expression shells support wildcards. common wildcards are as follows: ●? Represents any single character. ● * represents any string of any length. ● [] represents a string that matches any character set in []. ● {} the strings in braces are separated by commas. Www.2cto.com declaration: all files in the following display directory do not include recursion. Example 1: show all files starting with apache _ in the current directory # ls apache _ * Example 2: show all files ending with. txt # ls *. txt Example 3: show all files starting with 23 with only three strings # ls 23? Example 4: show all files starting with 23 and ending with a number with only three strings # ls 23 [0-9] Example 5: show cake.docand cars.doc # ls caw.ke, rsw..doc
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