The LTRIM function removes blanks or characters from the beginning of a string.
It is available in the Express Transformation.

General Syntax

LTRIM (string [, trim_set])

LTRIM (string) removes the leading spaces or blanks from the string. When LTRIM
function is used with a trim set, which is optional, it removes the characters in the
trim set from the string.

Example : To Remove Leading Spaces

LTRIM(Student_Name)

Example : To Remove Leading Zeros

LTRIM(AGE,'0')

LTRIM Function Can Be Nested to Remove Multiple Characters

Example: The Below example removes leading blank spaces and hyphen characters.

LTRIM(LTRIM(AGE,'0'),'-')