trim()

Removes any occurrences of any of the characters from either side of the string. characters defaults to space.

Arguments & returns

2 overloads

Scalar

Overload link	`string`	Returns
#01	`VARCHAR`	`VARCHAR`

Scalar

Overload link	`string`	`characters`	Returns
#02	`VARCHAR`	`VARCHAR`	`VARCHAR`

SELECT trim('    test  ');

Haybarn WASM 1.5.5-rc3 · In your browser

Engine example · Run to view results.

SELECT trim('>>>>test<<', '><');

Haybarn WASM 1.5.5-rc3 · In your browser

Engine example · Run to view results.

Trim the edges, normalize case, and replace runs of spaces. Small functions compose into a readable cleaning step.

SELECT regexp_replace(
  lower(trim('  Summer Harvest 2026  ')),
  '\s+', '-', 'g'
) AS slug;

Haybarn WASM 1.5.5-rc3 · In your browser

Guide recipe · Run to view results.

SELECT BTRIM(x, 'ab')

In Haybarn

SELECT TRIM(x, 'ab')

SELECT LTRIM(s), RTRIM(s), TRIM(s)

In Haybarn

SELECT LTRIM(s), RTRIM(s), TRIM(s)