Manipulating strings

The .NET System.String type offers a wide array of methods for manipulating or inspecting strings. The following methods are case-sensitive, but are, in many cases, faster alternatives to using regular expressions, for situations when the time that it takes for a script to run is important.

Working with data held in strings is an important part of any scripting language.

Indexing into strings

In PowerShell, it's possible to index into a string the same way as we select elements from an array. Consider the following example:

$myString = 'abcdefghijklmnopqrstuvwxyz' 
$myString[0]     # This is a (the first character in the string) 
$myString[-1]    # This is z (the last character in the string...