- Processing
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- Processing.py
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- Processing Foundation

This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Core Javadoc and Libraries Javadoc.

Class | String
Name | ### indexOf()
Examples |
    String str = "CCCP";
    int p1 = str.indexOf("C");
    int p2 = str.indexOf("P");
    int p3 = str.indexOf("CP");
    println(p1 + ":" + p2 + ":" + p3);  // Prints "0:3:2"
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 substring is not found within the String, -1 is returned.
Syntax |
    str.indexOf(str)
    str.indexOf(str, fromIndex)
Parameters |
str | String: any variable of type String
str | String: the substring to search
fromIndex | int: the index from which to start the search

Updated on July 4, 2018 11:56:48am EDT