indexOf

Function indexOf

 Note: This refers to a proposed change that has not been implemented in the main code base yet.

Returns the index of a substring in the specified string. If the substring does not occur within the string then -1 is returned. If you do not specify the index to start at the search begins at the start of the string otherwise it will begin from the position you specify. regular expressions can be used in the substring.

Usage

[h: ind = index(str, substr)]
[h: ind = index(str, substr, start)]

Examples

[r: indexOf("this is a test", "is")]

Returns 2.

[r: indexOf("this is a test", "is", 3)]

Returns 5.

[r: indexOf("this is a test", "x")]

Returns -1.