Regular expression – how to match two values, not depending on their corresponding position in the string

$string =~ /a/i && $string =~ /b/i;

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I am looking for the best way to match two values ​​at the same time.

If both values ​​are in the string, I want to get a true value, but I don’t know the order in which they appear in the string (e.g. abcdef or bedfa, in case I want to match a and b)

Is there a better solution (especially if I need more complex ones later) Value to match) instead of:

$string =~ m/(a.*b)|(b.*a)/i

$string =~ /a/i && $string =~ /b/i;