PowerShell Weekly
PowerShell Weekly

Find IPv4 Address in String

Matthew Dowst 
[Regex]::Matches($string, '(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)').Value
Details
Match IP v4 addresses

Example
PS C:\> $string = 'Reply from 8.8.8.8: bytes=32 time=11ms TTL=54'
>> [Regex]::Matches($string, '(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)').Value

8.8.8.8

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