匹配以server-开头,后面跟两位数字的字符串:'server-\d\d' 匹配包含小数点和至少两位数字精度的数字:'3\.\d{2,}'(注意这里使用\来转义小数点) 要在PowerShell 中使用正则表达式,可以结合相关的命令和操作符。例如,-match操作符用于测试一个字符串是否匹配正则表达式;Select-Stringcmdlet 可在文本中搜索匹配正则...
Example 4: Get the last line of a text fileThis command gets the last line of content from a file. This example uses the LineNumbers.txt file that was created in Example 1. PowerShell Copy Get-Item -Path .\LineNumbers.txt | Get-Content -Tail 1 This is Line 100 This example uses...
$property # property name is a variable $h1 = @{ FirstName = "James"; LastName = "Anderson"; IDNum = 123 } $h1.FirstName # designates the key FirstName $h1.Keys # gets the collection of keys [int]::MinValue # get static property [double]::PositiveInfinity # get static ...
Gets a list of CIM classes in a specific namespace. Syntax PowerShell Get-CimClass[[-ClassName] <string>] [[-Namespace] <string>] [-Amended] [-OperationTimeoutSec <uint>] [-ComputerName <string[]>] [-MethodName <string>] [-PropertyName <string>] [-QualifierName <string>] [<Common...
The range operator can be used to represent an array of sequential integers or characters. The values joined by the range operator define the start and end values of the range. Note Support for character ranges was added in PowerShell 6. ...
The Alias parameter never generates or updates the primary email address of a mail contact or a mail user. Expand table Type: String Position: Named Default value: None Required: False Accept pipeline input: False Accept wildcard characters: False Applies to: Exchange Server 2010, Exchange Serv...
Check string for two special characters back to back Check to see if user has mailbox in o365 Checking a directory for files older than 5 minutes. Checking and Adding a Registry Key if Missing Checking errors with New-PSdrive Checking for the existence of multiple folders simultaneously. Is ...
Type: String Position: Named Default value: None Required: False Accept pipeline input: False Accept wildcard characters: False Applies to: Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019-IdentityThe Identity parameter specifies the message. Valid input for this...
LastName Alias Expand table Type: String Position: Named Default value: None Required: False Accept pipeline input: False Accept wildcard characters: False Applies to: Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019, Exchange Online-...
Useful methods on the String class Introduction to Regular Expressions The Select-String cmdlet Part 2: the -split operator the -match operator the switch statement the Regex class Part 3: a real world, complete and slightly bigger, example of a switch-based parser General structure of a ...