CLI Usage
40
Basic System Configuration Guide
3HE 11010 AAAC TQZZA Edition: 01
Table 10 identifies the special character options.
{m} Matches exactly m repetitions of the term
{m,} Matches m or more repetitions of the term
? The preceding item is optional and matched at most once
+ The preceding item is matched one or more times
- Used between start and end of a range
\ An escape character to indicate that the following character is a match
criterion and not a grouping delimiter
Table 10 Special Characters
Options Similar to Description
[:upper:] [A-Z] Uppercase letters
[:lower:] [a-z] Lowercase letters
[:alpha:] [A-Za-z] Uppercase and lowercase letters
\w [A-Za-z_] Word characters
[:alnum:] [A-Za-z0-9] Digits, uppercase and lowercase letters
[:digit:] [0-9] Digits
\d [0-9] Digits
[:xdigit:] [0-9A-Fa-f] Hexadecimal digits
[:punct:] [.,!?:...] Punctuation
[:blank:] [ \t] Space and Tab
[:space:] [ \t\n\r\f\v] Blank characters
\s [ \t\n\r\f\v] Blank characters
Table 9 Pipe/Match Characters (Continued)
String Description
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