$value='S-ATX-SQL01'if($value-match'S-\w\w\w-SQL\d\d') {# do something} 根據預設,regex 模式會比對字串中的任何位置。 因此,您可以指定您想要比對的子字串,如下所示: PowerShell $value='S-ATX-SQL01'if($value-match'SQL') {# do something} Regex
Current method of finding extra \r\n, which are not at end of line =$, in CSV files Custom attribute not shown Custom function to check if a service exist CVS output from power-shell just outputting text length DataGridView: Get data from rows Datatable - Sorting and Deleting Date and ...
expandable-string-literal verbatim-here-string-literal variable generic-token-char generic-token-char: Any Unicode character except { } ( ) ; , | & $ ` (The backtick character U+0060) double-quote-character single-quote-character whitespace new-line-character escaped-character generic-token-with...
PowerShell 复制 # This returns true and matches numbers with at least 2 digits of precision. # The decimal point is escaped using the backslash. '3.141' -match '3\.\d{2,}' 正则表达式类的静态方法可以转义文本。PowerShell 复制 [regex]::escape('3.\d{2,}') Out...
Match only if at the beginning of the line:^ PS C:> 'no alarms and no surprises' -replace '^no','' alarms and no surprises Match only if at the end of the line:$ PS C:> 'There must be some way out of here said the joker to the joker' -replace 'joker$','thief' ...
“something” ends ing, which is betweenfandq, the pattern is a match. In the second example, we’re looking for “a letter between h and q, followed by the end of the line” which doesn’t exist since g falls outside that range. This is case sensitive in regex, but the–match...
实例 2、可以删除某几行、删除行（某个范围），并将数据重新保存到csv文件中。 假设我们要删除的列的...
问使用powershell拆分CSVEN未测试。这里假设ColumnA是第一列，并且是以逗号分隔的公共数据。您需要调整...
Beginning with version 2.45.0, Get-WindowsVersion will use the command-line tool systeminfo.exe to retrieve the operating system name. If this fails, then the registry value will be used. Windows 11 systems don't yet reflect with Windows 11 name in the registry....
ESPL: This returns a sequence of positions by finding a sequence of lines, and for each line, finding a position within it. SPL:This returns a sequence of positions. It takes four parameters: re1, re2, init, incr. SPL finds all positions that match regex re1 on its left and match reg...