Test, validate and match regular expressions
Matches Indonesian phone numbers in multiple formats: beginning with country code +62, a parenthesized area code like (021) or (0361), or a leading 0. It optionally supports the Bali area code 361 or mobile prefixes 81x/87x, followed by 2-3 groups of 3-4 digits separated by spaces or hyphens. Useful for validating and normalizing Indonesian landline and mobile number input.