XFA Specification
Chapter 23, FormCalc Specification
String Built-in Functions
881
Ltrim()
This function returns a string with all leading white space characters removed.
Syntax
Ltrim(s1)
Parameters
s1
is the string to be trimmed.
Returns
The trimmed string or null if its parameter is null.
White space characters includes the ASCII space, horizontal tab, line feed, vertical tab, form feed and
carriage return, as well as, the Unicode space characters (Unicode category Zs).
Examples
Ltrim(" ABC")
returns "ABC".
Ltrim(" XY ABC")
returns "XY ABC".