Therefore, because the regex captured only the value itself, all you need to specify as the replacement string is the new value. ( is a character set that matches any character other than ( ^) a ", and * finds any (possibly empty) sequence of such characters. Its usage is similar to that of grep of findstr.exe. PowerShell grep equivalent Select-String In this article, we will discuss PowerShell grep equivalent Select-String to search string in the files recursively using the Get-ChildItem, search string in the text that matches the patterns. returns all files in the current directory and all its subdirectories. * then matches the entire value, up to, but not including the closing ". select-string allows to search for strings that match a substring or a regular expressions. It displays the file name, line number, and text in the line containing the match. In fact, the command is so widely used that programmers even use grep as a verb meaning 'to search files and output. (?<= value=" ") to find what to replace, and after the 1st - successful - run, that literal no longer matches, and subsequent runs have no effect. For some reason -pattern '\t' returned files. Without -Raw, Get-Content returns an array of strings, representing the input lines.Äue to using a regular expression to match your existing setting, any text currently inside value="." is matched, so this command will work even when run repeatedly.Ä«y contrast, what you tried uses an effective literal (. Get-Content -Raw $file (PSv3+) to read the entire file content as a single string (thanks, deadlydog) Try the following: $file = 'D:\home\App_Config\nfig'
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