String()indexOf() \ Language (API) \ Wiring 1.0 (ALPHA)

| String

| Reference for Wiring 1.0 (ALPHA) 0021+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.

Class |  | String
Name |  | ### indexOf()
Examples |  |
    String str = "CCCP";
    int p1 = str.indexOf("C");
    int p2 = str.indexOf("P");
    int p3 = str.indexOf("CP");
    Serial.println(p1, DEC); // Prints 0
    Serial.println(p2, DEC); // Prints 3
    Serial.println(p3, DEC); // Prints 2
Description |  | Tests to see if a substring is embedded in a string and returns the index position of the first occurrence of the substring defined in the str parameter. If the str parameter is not found in the string, -1 is returned.
Syntax |  |
    indexOf(str)
    indexOf(str, fromIndex)
Parameters |  |
str |  | String: the substring to search
fromIndex |  | int: the index from which to start the search
Returns |  | int
Usage |  | Web & Application