What is this pattern “\\s*\\^++\\s*” used for? [duplicate]

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In the pattern :\s*\^++\s*

  • \s* is for 0 or more whitespace
  • \^++ is for matching 1 or more character ^

For example the following strings will match the above pattern:

<space>^^^<space>
^<space>
<space>^^^

For understanding regex pattern I have found the following link very useful:
https://regex101.com/

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