BigIron RX Series Configuration Guide 2153-1001986-01Logging on through the CLI 2If you want to filter for a special character instead of using the special character as described in thetable above, enter “\” (backslash) in front of the character. For example, to filter on outputcontaining an asterisk, enter the asterisk portion of the regular expression as “\*”.BigIron RX# show ip route bgp | include \*Allowable characters for LAG namesWhen creating a LAG name, you can use spaces in a file or subdirectory name if you enclose thename in double quotes. For example, to specify a subdirectory name that contains spaces, enter astring such as the following: “a long subdirectory name”. The maximum length for a string is 64characters.The following characters are valid in file names:• All upper and lowercase letters• All digitsAny of the following special characters are valid:• $_ An underscore matches on one or more of the following:• , (comma)• { (left curly brace)• } (right curly brace)• ( (left parenthesis)• ) (right parenthesis)• The beginning of the input string• The end of the input string• A blank spaceFor example, the following regular expression matches on “100” but not on “1002”, “2100”, and soon:_100_[ ] Square brackets enclose a range of single-character patterns.For example, the following regular expression matches output that contains “1”, “2”, “3”, “4”, or “5”:[1-5]You can use the following expression symbols within the brackets. These symbols are allowed onlyinside the brackets.• ^ – The caret matches on any characters except the ones in the brackets. For example, thefollowing regular expression matches output that does not contain “1”, “2”, “3”, “4”, or “5”:[^1-5]• - The hyphen separates the beginning and ending of a range of characters. A matchoccurs ifany of the characters within the range is present. See the example above.| A vertical bar separates two alternative values or sets of values. The output can match one or theother value.For example, the following regular expression matches output that contains either “abc” or “defg”:abc|defg( ) Parentheses allow you to create complex expressions.For example, the following complex expression matches on “abc”, “abcabc”, or “defg”, but not on“abcdefgdefg”:((abc)+)|((defg)?)TABLE 30 Special characters for regular expressions (Continued)Character Operation
