regexp-examples
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[\p{Nd}] — unicode categories in character classes
\p{Nd} "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "٠", "١", "٢", "٣", "٤", "٥", "٦", "٧", "٨", "٩"
[\p{Nd}] "p", "{", "N", "d", "}"
These should be equivalent.