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Fun with Guids and regular expressions

Recently I had the need to change the formatting of some guid values in a .csv file. Turns out, this is pretty easy to do in Powershell.

To change "0d2c3b6e-b10a-4fc3-9cdd-499dc16c81fa" into {0d2c3b6e-b10a-4fc3-9cdd-499dc16c81fa} use this nice Powershell trickery:

$line = "`"$(New-Guid)`",`"blablabla`",`"blablabla`",`"$(New-Guid)`",`"blablabla`""

$line
$line -replace '\"([0-9a-fA-F]{8}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{12})\"','{${1}}'



Or using Notepad++:

Search for: (")([0-9a-fA-F]{8}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{12})(")

Replace by: {\2}

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