Returns a word from a string.
Syntax
@Word(value:string, separator:string,
n:int) : string
| Parameter |
Description |
value |
The string or string list to be checked. |
separator |
A series of characters treated as separators.
Characters between separators are treated as words. |
n |
The number of the word where 1 is the first
word. |
| Return value |
Description |
string |
Word number n in value.
Returns the first word if n is 0 or negative. Returns
the empty string if n exceeds the number of words
in the string. |
Usage
If value is an array
of strings, each element is processed against parameters 2 and 3,
and the return value is an array with corresponding elements.
Examples
This example extracts words from a
string where words are delimited by a comma and a space.
function p(stuff) {
print("<<<" + stuff + ">>>");
}
var cities = "Paris, Berlin, Moscow, London";
var n = 1;
var city = @Word(cities, ", ", n);
while(city != "") {
p(n + " " + city);
n++;
city = @Word(cities, ", ", n);
}/*
<<<1 Paris>>>
<<<2 Berlin>>>
<<<3 Moscow>>>
<<<4 London>>>
*/