To remove characters from a string in PowerShell, replace them with nothing. Use .Replace() for exact characters, or -replace with a pattern to remove a whole group at once: Output: The second line keeps only the digits, which is the easiest way to clean up a US phone number. I ran every example in PowerShell … Read more
When working with strings in PowerShell, checking whether a string is null, empty, or consists solely of whitespace characters is often necessary. PowerShell provides two methods to perform these checks: IsNullOrEmpty and IsNullOrWhiteSpace. In this PowerShell tutorial, I will show the differences between IsNullOrEmpty() and IsNullOrWhiteSpace() methods. The primary difference between PowerShell IsNullOrEmpty() and IsNullOrWhiteSpace() is that IsNullOrWhiteSpace considers strings that contain only whitespace … Read more
To split a string in PowerShell, use the -split operator with the delimiter. It returns an array, with one item per piece: Output: PowerShell also has the .Split() string method. The two behave differently in a few important ways, and one of them changed between PowerShell versions. I ran every example in PowerShell 7.6 and … Read more
If you are working with strings in PowerShell and want to know how to convert objects to strings in PowerShell, check out this complete tutorial. I have explained the process in detail with examples. To convert an object to a string in PowerShell, you can use the Out-String cmdlet, the -join operator, or the ToString() … Read more
To compare strings in PowerShell, use -eq for equal and -ne for not equal. Both ignore case, so add a c for a case-sensitive comparison, like -ceq: Output: I ran every example in PowerShell 7.6 and Windows PowerShell 5.1. Everything matched except one .NET method overload, which I point out below. Case-sensitive and case-insensitive comparison … Read more
To convert a string to a hashtable in PowerShell, use ConvertFrom-StringData. It reads text with one key=value pair per line and returns a hashtable: Output: Below I handle one-line strings, backslashes, JSON and value types, then go the other way and turn a hashtable back into a string. Every example ran in PowerShell 7.6 and … Read more
Are you required to convert a multiline string to a single line in PowerShell? In this tutorial, I will show you how to convert multiline strings to single line in PowerShell using various methods. To convert a multiline string to a single line in PowerShell, you can use the -replace operator to replace newline characters … Read more
In PowerShell, you can use various methods like contains() methods to check if a string contains special characters in PowerShell. Let us check all the methods with examples. To check if a string contains special characters in PowerShell, you can use the -match operator with a regular expression pattern like [^a-zA-Z0-9], which matches any non-alphanumeric … Read more
To check if a string contains a substring in PowerShell, use the -like operator with a * wildcard on each side. It returns True or False and ignores case: Output: Use -clike when case matters. For most checks, like looking for a server name or an error word in a log line, the case-insensitive -like … Read more
Recently, I was working on a PowerShell script to get the count of occurrences of a substring in a string. I am going to explain in detail, with examples here, how to count occurrences of a substring in a string in PowerShell. To count occurrences of a substring in a string in PowerShell, you can … Read more
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