Cisco CLI Output Modifiers

Include multiple patterns

show int status | i 1/0/13|1/0/14|1/0/15|1/0/16
sh dtp int | i DTP|TRUNK

Output modifiers and Regular Expressions

Special Characters

. = Matches any single character

\ = Matches the character following the backslash. Used to match the face value of special characters.

_ = Matches white space space and select characters such as comma (,), left brace ({), right brace (}), the beginning of the input string, the end of the input string, or a space.

Groups, Nests and Ranges

[ ] = Matches any character within the left and right square brackets.

() = Nest characters for matching or to apply a multiplier too, or for recall

- = Used to create a range of characters that can match within square brackets

Anchors

^ = Matches the character or null string at the beginning of an input string.

$ = Matches the character or null string at the end of an input string.

Multipliers

? = Matches zero or one occurrence of the pattern.

* = Matches zero or more sequences of the character preceding the asterisk.

+ = Matches one or more sequences of the character preceding the plus sign.

Alternation

| = Logical OR. Matches one of the characters or character patterns on either side of the vertical bar.

References

• Searching and Filtering CLI Output