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The same three match modes apply when using regex matching condition types. Each regular expression in the input is evaluated against lines in the source, and the match mode governs whether the matches must occur in order and whether intervening unmatched lines are permittedto the Source matches regex condition type. Each input line is treated as a separate regular expression and matched against the source. The selected match mode controls how these regex inputs are matched against the source: whether they can match in any order, must match in the specified order, or must match consecutively.

Loose Mode

router ospf
hostname R[0-9]+

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