substring-before( a, b )
|
Group |
Returns the partial text of text a that lies before the occurrence of search text b.
Description of Parameters
|
Parameter |
Description |
|
a |
Value. |
|
b |
Search text. |
Examples
|
Parameter a |
Parameter b |
Result |
|
abcdef |
def |
abc |
|
abcdef |
x |
|