和substring相反powers原创===.StartsWith('abc')确定本串开头是否于某串匹配.EndsWith()确定本串结尾是否于某串匹配==='abc'.PadLeft(5,"哈") #在本字符串左侧用空格或字符填充n个"哈",使字符串总长度达到5。达到右对齐的目的。哈哈abc.PadRight()===不常用的方法:比较2个字符串Compare(String, String...
Hello Eddie -replace操作符有三种实现方式,其它文本操作符也类似地有三种实现方式,像-replace,-ireplace,-creplace,i前缀表示字符串大小写不敏感(insensitive),c前缀表示字符串大小写敏感(case sensitive)。 #下面的例子没有完成替换,因为当前大小写敏感: “Hello Carl” -creplace “carl”, “eddie” Hello Carl...
gt 0 and usageDate ge$StartDateand usageDate lt$EndDate"## Join extended printer info with the printer usage report$reportWithPrinterNames=$printerReport|Select-Object( @{Name ="UsageMonth"; Expression = {$_.Id.Substring(0,8)}}, @{Name ="PrinterId"; Expression = {$_.PrinterId}}, ...
PS> $path = "C:\prefs.js" PS> $path.Substring( $path.LastIndexOf(".")+1 ) Js 1. 2. 3. 另外一条途径,使用Split方法,对文件的完整名称进行分割,得到一个字符串数组,取最后一个元素,PowerShell中可以通过索引-1来获取数组中最后一个元素。 PS> $path.Split(".")[-1] Js 1. 2. 下面的表...
how to replace a substring varaible in a string variable? How to replace char in 2GB Text file with Powershell? How To Replace Line Feed With Space? How to replace single quote with double quote how to replace two or more consecutive whitespace characters with a single space character? How...
($Secretin$Secrets) {$StartDate=$Secret.startDateTime$EndDate=$Secret.endDateTime$pos=$StartDate.IndexOf('T')$LeftPart=$StartDate.Substring(0,$pos)$Position=$EndDate.IndexOf('T')$LeftPartEnd=$EndDate.Substring(0,$pos)$DateStringStart= [Datetime]::ParseExact($LeftPart,'...
Having this knowledge of how PowerShell determines the position of substring characters in a string will help you manipulate PowerShell strings – no matter the complexity. Step 2 (Example 1): Extract a Substring Left of a String In this section, you will learn how to extract a substring ...
Dir | Where-Object { $_.PSIsContainer } Dir | Where-Object { $_.Mode.Substring(0,1) -eq "d" } # 只列出文件: Dir | Where-Object { $_ -is [System.IO.FileInfo] } Dir | Where-Object { $_.PSIsContainer -eq $false} Dir | Where-Object { $_.Mode.Substring(0,1) -ne "d"...
A regex pattern matches anywhere in the string by default. So you can specify a substring that you want matched like this: PowerShell $value='S-ATX-SQL01'if($value-match'SQL') {# do something} Regex is a complex language of its own and worth looking into. I talk more about-matchand...
You're likely getting a blank because there's not such function named "Substring" in PowerShell. What does exist is the Substring() method on a string object, but you're not referencing that, hence the blank result. Secondly, the property "Directory" is of type [System.IO.FileSystemInfo...