Search for foobar in a csv string

Search CSV line for foobar matches

match as long as not 5digit code

I

matches floats: 1.0f 1.0F .0f .1F 1f 1F

matches 123.4f 123.4F .4f .4F 5f 5F

Regex to read pgbouncer's log lines when it's logging to syslog, and break it into useful groups.

Tests a string to see if it fits the Base64 format.

Group 1 gives ours, group 2 gives theirs

Simple regex to find the Namespace line in a C# class.

replace .* with a test string

Used to search line vty for exec

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