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user 106147
Regular expressions are a declarative language, mainly used for pattern matching within strings. Please include a tag specifying the programming language you are using, together with this tag.
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votes
Advent of Code Day 6: toggling lights in a grid with Powershell
I realize that this is a little old, but I'm new to this particular Stack site (I usually haunt StackOverflow) and wanted to chime in.
I too would suggest the use of a Hashtable to track lights. Indi …
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