Split a string in PowerShell

Question

I heard this forum is amazing for answering the craziest questions and I have searched hi and low for an answer to my crazy question, however I cannot find an answer. So I am putting this out to the community.

I use PowerShell for my scripting needs. please Don't offer me a solution in another scripting language, I'm sure other script languages will do this, however I need this in PowerShell.

I have many strings that I need to split they are similar in nature to:

HelloWorld
HelloWorldIAmNew
HelloWorldIAmNewToScripting
ThankYouForHelpingMe

I need to split them based on Capital Letters i.e.

Hello World
Hello World I Am New
Hello World I Am New To Scripting
Thank You For Helping Me

I have a basic understanding on splitting strings, but this is harder than your average string.

Keith Hill · Accepted Answer · 2012-03-29 05:38:13Z

9

Fairly simple to do using a regex with negative and positive lookahead (?=pattern) and the case-sensitive -csplit operator e.g.:

PS>  "HelloWorldIAmNewToScripting" -csplit "(?<=.)(?=[A-Z])"
Hello
World
I
Am
New
To
Scripting

Or if you want it space separated:

PS>  "$("HelloWorldIAmNewToScripting" -csplit "(?<=.)(?=[A-Z])")"
Hello World I Am New To Scripting

edited Mar 29, 2012 at 5:38

answered Mar 29, 2012 at 5:28

Keith Hill

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1 Comment

CB. Over a year ago

This add an empty line at start.

CB. · Accepted Answer · 2012-03-29 05:45:13Z

1

Try this:

("HelloWorldIAmNewToScripting" -creplace '[A-Z]', ' $&').Trim().Split($null)
Hello
World
I
Am
New
To
Scripting

or

("HelloWorldIAmNewToScripting" -creplace '[A-Z]', ' $&').Trim()
Hello World I Am New To Scripting

edited Mar 29, 2012 at 5:45

answered Mar 29, 2012 at 5:28

CB.

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