Instead of "$2 $1"
, you can use "${secondMatch} ${firstMatch}"
.
There is a list of all the replacements you can do here.
Here is an abbreviated list:
$number - The captured group by number.
${name} - The captured group by name.
$$ - $ literal.
$& - Entire match.
$` - The input string before the match.
$' - The input string after the match.
$+ - The last group captured.
$_ - The entire input string.
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