Regular expression matching in PowerShell

Question

Is there an elegant one-liner for doing the following?

$myMatch = \"^abc(.*)\"
$foo -match $myMatch
$myVar = $matches[1]

I\'m interested in

Answer 1

I am not sure about the elegance, but here is something useful:

PS > "123.134" -match "(?[0-9]{3})\.(?[0-9]{3})"
True
PS > $Matches

Name                           Value
----                           -----
P2                             134
P1                             123
0                              123.134


PS > $Matches["P1"]
123

? gives the label P1 to the first capture. It helps to understand.

PS > ([regex]("(?[0-9]{3})\.(?[0-9]{3})")).matches("123.123")[0].groups["P1"].value
123

In your case:

PS > $foo = "123.143"
PS > ([regex]("(?[0-9]{3})\.(?[0-9]{3})")).matches($foo)[0].groups["P1"].value
123
PS > ([regex]("(?[0-9]{3})\.(?[0-9]{3})")).matches($foo)[0].groups["P2"].value
143