If the regular expression contains capture groups, the $Matches contains additional keys for each group. It's important to note that the $Matches hashtable contains only the first occurrence of any matching pattern. Example: PowerShell Copy $string = 'The last logged on user was CONTOSO\j...
还可以在条件语句(例如if语句)的上下文中使用此方法。 PowerShell if($textFiles=Get-ChildItem*.txt) {$textFiles.Count } 在此示例中,如果没有文件匹配,Get-ChildItem命令不会返回任何内容,并且不会向$textFiles进行任何赋值,这在布尔上下文中被视为$false。 如果将一个或多个FileInfo对象赋值给$textFiles,则...
Check if OS is 32bit or 64bit check If Process Is Running in another computer Check if SMB1 is enabled on the AD servers Check if string contains invalid characters Check if string starts with letter/character. check installed memory with physical memory Check network drive connection Chec...
Connect commands will likely fail if the profile path of the account that you used to connect contains special PowerShell characters (for example,$). The workaround is to connect using a different account that doesn't have special characters in the profile path. ...
Connect commands will likely fail if the profile path of the account that you used to connect contains special PowerShell characters (for example,$). The workaround is to connect using a different account that doesn't have special characters in the profile path. ...
The Select-String cmdlet is used to find target text within a file or a variable value. For example, suppose we saved the first paragraph of this article to a text file named C:\Scripts\Test.txt. Now, suppose we need to know whether this file contains the target stringCTP. How could ...
There might be a delay the first time you execute this because the rules have to load the catalogs into a cache. Each catalog of a PowerShell platform contains details of all the modules and .NET assemblies available to PowerShell on that platform, which can be as many as 1700 commands ...
Use comparison operators (-eq,-ne,-gt,-lt,-le,-ge) to compare values and test conditions. For example, you can compare two string values to determine whether they're equal. The comparison operators also include operators that find or replace patterns in text. The (-match,-notmatch,-repla...
Microsoft.PowerShell.Commands.StringManipulation Assembly: Microsoft.PowerShell.Commands.Utility.dll Package: Microsoft.PowerShell.5.1.ReferenceAssemblies v1.0.0 Defines the ConvertFrom-String cmdlet. C#复制 publicclassConvertFromStringCommand:System.Management.Automation.PSCmdlet ...
Check if IIS running on a remote server check if object is $null Check if OS is 32bit or 64bit check If Process Is Running in another computer Check if SMB1 is enabled on the AD servers Check if string contains invalid characters Check if string starts with letter/character. check ...