Until now, we have learned how to remove a character, multiple instances of a character, the last character of the specified string, or remove everything starting from the given position. But what if we want to
Using the LastIndexOf() Method Using Regular Expression Using IndexOf() Method Use the IndexOf() to find the position of character in string in PowerShell. indexOf() method returns index of first occurrence of character in String. Use IndexOf() Method 1 2 3 4 5 6 $string = "Hello...
TypeName: System.String 'PowerShell'. ToUpper ( ) 'PowerShell'. ToLower ( ) Search Character in the String [char]$search = Read-Host 'Enter a character' 'PowerShell'. Contains ($search ) Or alternative we can use -match operator ...
# This statement returns true because book contains the string "oo"'book'-match'oo' 字符类 虽然字符文本在知道确切的模式时工作,但字符类允许你不太具体。 字符组 [character group]允许一次匹配任意数量的字符,而[^character group]仅匹配组中的字符。 PowerShell复制 # This expression returns true if ...
format-expression: format-specification-string format-operator new-lines~opt~ range-expression format-operator: dash f dash: - (U+002D) EnDash character (U+2013) EmDash character (U+2014) Horizontal bar character (U+2015) 描述:format-expression 根据format-expression 指定的 format-specification-st...
Select-Stringcan display all the text matches or stop after the first match in each input file.Select-Stringcan be used to display all text that doesn't match the specified pattern. You can also specify thatSelect-Stringshould expect a particular character encoding, such as when you're search...
Type:String[] Aliases:CN, ServerName Position:Named Default value:None Required:False Accept pipeline input:True Accept wildcard characters:False -Filter Specifies a where clause to use as a filter. Specify the clause in either theWQLor theCQLquery language. Do not include theWHEREkeyword in th...
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"
Character ranges To create a range of characters, enclose the characters in quotes. PowerShell PS>'a'..'f'a b c d e f PowerShell PS>'F'..'A'F E D C B A If you assign a character range to a string, it's treated the same assigning a character array to a string. ...
Select-Object [-InputObject <PSObject>] [[-Property] <Object[]>] [-ExcludeProperty <String[]>] [-ExpandProperty <String>] [-Unique] [-CaseInsensitive] [-Last <Int32>] [-First <Int32>] [-Skip <Int32>] [-Wait] [<CommonParameters>]Power...