String Manipulation: Splitting and Joining Strings
Some more basic things,
The split() method of a string object lets you define a delimiter and "split" the string up into multiple pieces,
which are returned as an array.
Example
C:\test> $string = "text1 text2 text3 text4"
C:\test> $string.split(" ")
text1
text2
text3
text4
Two Simple PowerShell Methods to Remove the Last Letter of a String