The below code will remove first 3 characters from the given string. 'PowerShell'. Remove (0,3 ) To remove last 3 characters we need to use sub string $string = 'PowerShell' $string. Substring (0,$string. Length-3 ) Other Languages This article is also available in the following languages: Po...
Use the LastIndexOf() and Substring() methods to trim the string after the last occurrence of the specified character in PowerShell. Use LastIndexOf() and Substring() Methods 1 2 3 4 5 $string = "Hi! Welcome to Java2Blog! Let's learn." $newString = $string.Substring(0, $strin...
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表达式的行等。 例如: linux grep grep 指令后跟 “-P" 参数,则表示要使用 “PREs" echo "sysmon64" | grep -P '^s.{5}\d{2}' windows P...
以下语句在第一个数字处拆分 here-string 中的每一行。 它使用多行选项来识别每行和字符串的开头。 0 表示 Max-substrings 参数的“返回所有”值。 仅当指定 Max-substrings 值时,才能使用多行等选项。 PowerShell $a=@' 1The first line. 2The second line. 3The third of three lines. '@$a-split...
Char". Error: "String must be exactly one character long." escape the single quote inside an insert statement Escaping a dollar sign in a string Escaping forward slashes in the output of a variable? escaping single quotes inside a variable Escaping special characters in passwords Event Log ...
A regex pattern matches anywhere in the string by default. So you can specify a substring that you want matched like this: PowerShell Copy $value = 'S-ATX-SQL01' if ( $value -match 'SQL') { # do something } Regex is a complex language of its own and worth looking into. I ta...
Write-Host "Position of last 'world': $lastWorldPosition" Output 1 2 3 4 5 Input string: Hello, world, again! Position of last comma: 12 Position of last 'world': 7 The LastIndexOf() method is used to find the position of the last occurrence of a character and a substring in...
-Join<String[]> The second way to use the-Joinoperator is to specify the delimiter to be used. The array of strings will be joined together, but the specified delimiter character will be inserted in between each string. <String[]>-Join<Delimiter> ...
PS C:\> $string = “the scripts” PS C:\> $string.Substring(0,$string.Length) DM, you need to return all of a string but the last letter. To do this, I simply subtract 1 from thelengthof the string, as shown here: PS C:\> $string = “the scripts” ...
The startIndex of the first character of a PowerShell string will always be zero (0) To determine the startIndex of a substring, add 1 to the IndexOf command result Finally, the length of the PowerShell substring you want to extract is the total number (starting from 1) and counting fr...