Query4All.com
S index of
Data generated from past analysis.
https://www.w3schools.com/java/ref_string_indexof.asp
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/indexOf
https://www.geeksforgeeks.org/java-string-indexof/
https://www.javatpoint.com/java-string-indexof
https://www.programiz.com/java-programming/library/string/indexof
https://learn.microsoft.com/en-us/dotnet/api/system.string.indexof?view=net-8.0
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf
https://www.w3schools.com/python/ref_string_index.asp
https://www.arduino.cc/en/Reference/StringIndexOf
https://beginnersbook.com/2013/12/java-string-indexof-method-example/