String.charAt()

Description

Access a particular character of the String.

Syntax

myString.charAt(n)

Parameter Values

  • myString: a variable of type String.
  • n: a variable. Allowed data types: unsigned int.

Return Values

  • The n'th character of the String.

Example Code

void setup() { Serial.begin(9600); String myString = "Arduino"; char myChar = myString.charAt(2); Serial.println(myChar); } void loop() { }

The result on Serial Monitor:

COM6
Send
d
Autoscroll Show timestamp
Clear output
9600 baud  
Newline  

※ NOTES AND WARNINGS:

If the string is modified, it is highly recommended using String.reserve() to prevent the memory fragmentation issue

See Also

ARDUINO BUY RECOMMENDATION

Arduino UNO R3
Arduino Starter Kit
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