substring
- Jonathan Muse
Owned by Jonathan Muse
Description
Returns substring is starting at index start and stop at index stop. The substring returned has length stop - start. First position of character expression str is 0. If index start is not initialized or -1, it will be set on 0. If index stop is not initialized or -1, it will be set on end of the string.
Parameters
Return Type
String
Examples
Example 1
number start;
number stop;
substring("FooBar", start, stop);
// start will default to 0
// stop will default to 6
// substring() will return FooBar
// Result are the same if we initialize start and/or stop with -1Example 2
number start;
number stop = 3;
substring("FooBar", start, stop);
// start will default to 0
// will return FooExample 3
string v = "ABCDEFGHIJKLMNOP...";
print(substring(v, 0, 3)); //"ABC"
print (substring (v, 10, 100 )); //"KLMNOP..."
print(substring(v, 10, -1)); //"KLMNOP..." (same call)If stop is equal start or start is greater than the maximum length of character expression str, substring returns an empty string.
See also
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