Summary

Returns the position of the first occurrence in the specified string of the given search string.

Syntax

[Function("index-of")]
public static int IndexOf(string source, string value)

string::index-of('testing string', 'test') ==> 0

string::index-of('testing string', '') ==> 0

string::index-of('testing string', 'Test') ==> -1

string::index-of('testing string', 'ing') ==> 4

This function performs a case-sensitive word search using the invariant culture.

Type	Description
FunctionAttribute	Indicates that the method should be exposed as a function in NAnt build files.

Name	Type	Description
source	string	The string to search.
value	string	The string to locate within source.

Type	Description
int	The lowest-index position of value in source if it is found, or -1 if source does not contain value. If value is an empty string, the return value will always be `0`.