substring-before( a, b, c )
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Group |
Returns the partial text of text a that lies before the occurrence of search text b.
Description of Parameters
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Parameter |
Description |
|
a |
Text. |
|
b |
Search text. |
|
c |
(optional) If true, then a and b are treated case-insensitive, if false they are not. Default: false . |
Examples
|
Parameter a |
Parameter b |
Parameter c |
Result |
|
abcdef |
def |
|
abc |
|
abcdef |
x |
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