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System.Text.RegularExpressions.Regex - Matches()

The method Matches() of the System.Text.RegularExpressions.Regex class returns a System.Text.RegularExpressions.MatchCollection object.
PowerShell example: 
$txt = @'
one v_42 two three v_99_xyz
four five
v_0_abc six.
'@

foreach ($m in [regex]::Matches($txt, '\bv_\d+\w*')) {
   write-host $m.value
}

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