substring( a, start [,length] )
|
Group |
Returns the substring of a starting at position b with a length of c.
Description of Parameters
|
Parameter |
Description |
|
a |
Text. |
|
b |
Start position. |
|
c |
(optional) Length. Full length of text a if empty. |
Examples
|
Parameter a |
Parameter b |
Parameter c |
Result |
|
abcdef |
4 |
3 |
def |
|
abcdef |
4 |
1 |
d |
|
abcdef |
1 |
abcdef |