REVERSE

Returns the string with all characters in reverse order.

Signatures

Returns: String with characters in reverse order

REVERSE(string: VARCHAR) → VARCHAR

sql

Parameter	Type	Required	Description
`string`	`VARCHAR`	Yes	String to reverse

Notes

Reverses character order, not byte order
Handles Unicode characters correctly
Palindromes remain unchanged

Examples

FeatureQL

SELECT
    f1 := REVERSE('Hello World'),  -- Reverse entire string
    f2 := REVERSE('ABCDEF'),  -- Alphabetic reversal
    f3 := REVERSE('12345'),  -- Numeric string reversal
    f4 := REVERSE('racecar'),  -- Palindrome stays same
    f5 := REVERSE('A')  -- Single character
;

Result

f1 VARCHAR	f2 VARCHAR	f3 VARCHAR	f4 VARCHAR	f5 VARCHAR
dlroW olleH	FEDCBA	54321	racecar	A

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Last update at: 2026/03/03 16:47:38

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