BGP Regular Expressions
March 3rd, 2013
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| Expression | Meaning |
|————-+—————————|
| .* | Anything |
|————-+—————————|
| ^$ | Locally originated routes |
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| ^100_ | Learned from AS 100 |
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| _100$ | Originated in AS 100 |
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| _100_ | Any instance of AS 100 |
|————-+—————————|
| ^[0-9]+$ | Directly connected ASes |
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