LTrim (strip leading whitespace)

Syntax

LTrim(<string>)

π LTrim(line) → line (RawLines)

Description

LTrim removes whitespace from the start (left side) of a string, leaving any trailing spaces intact. Useful when only leading indentation needs removing.

Technical Description

LTrim(s: STRING) → STRING. Strips leading whitespace (Java stripLeading()). NULL input returns NULL. PURE, DETERMINISTIC, IDEMPOTENT.

Examples

Remove leading indentation:

π LTrim(line) → line (RawLines)

PROJECT LTrim(line) -> line (RawLines)

Limitations

STRING only; NULL in → NULL out. Leading whitespace only.

Alternatives

Trim for both ends; RTrim for the trailing side.

See Also

trim, rtrim