Select-String -match 和 -replace 运算符 -split 运算符 具有-regex 选项 的 switch 语句 默认情况下,PowerShell 正则表达式不区分大小写。 上面所示的每个方法都有一种不同的方法来强制区分大小写。 对于Select-String,请使用CaseSensitive参数。 对于使用正则表达式的运算符,请使用区分大小写的版本:-cmatch、-...
Well, in a VBScript Select Case statement once a true condition has been encountered the script exits Select Case; it doesn’t continue checking all the other conditions. That isn’t necessarily true in Windows PowerShell. PowerShell checked to see if $a contains 5 consecutive digits; because...
此示例对将管道发送到Select-Stringcmdlet 的文本执行区分大小写的匹配。 PowerShell 'Hello','HELLO'|Select-String-Pattern'HELLO'-CaseSensitive-SimpleMatch Hello和HELLO的文本字符串将向下发送到Select-Stringcmdlet。Select-String使用Pattern参数来指定HELLO。CaseSensitive参数指定大小写必须仅匹配大写模式。SimpleMatch...
Select-Object 参考 模块: Microsoft.PowerShell.Utility 选择对象或对象属性。 语法 PowerShell复制 Select-Object[-InputObject <PSObject>] [[-Property] <Object[]>] [-ExcludeProperty <String[]>] [-ExpandProperty <String>] [-Unique] [-CaseInsensitive] [-Last <Int32>] [-First <Int32>] [-Skip...
In this example, the switch statement is testing for the type of the value in the hashtable. You must use and expression that returns a boolean value to select the scriptblock to execute. PowerShell Copy $var = @{A = 10; B = 'abc'} foreach ($key in $var.Keys) { switch ($va...
when the pipeline is truncated, for example:Select-Object -First when the pipeline is stopped byCtrl+CorStopProcessing() Caution Adding thecleanblock is a breaking change. Becausecleanis parsed as a keyword, it prevents users from directly calling a command namedcleanas the first statement in a...
I am getting below error Try statement is missing its catch or Finally block, WHile i am running my script to install application after checking domain I am having a problem importing a csv file into Powershell v3. I can't save my PowerShell Scripts to local drive I can't seem to use...
In the prefix case, the value of$iis incremented before being output. In the postfix case, the value of$iis incremented after being output. You can also use this technique In the context of a conditional statement, such as theifstatement. ...
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 A task that appears regularly in my workflow is text parsing. It may be about getting a token...
Message1;Write-Host Busted Notice that it did not work – the entire string (statement terminator and all) was output. The reason for this is that PowerShell’s parser binds the value to the parameter – it doesn’t replace the text in-line and THEN do the parse. If you think about ...