String class
substring()
Get a substring of a String. The starting index is inclusive (the corresponding character is included in the substring), but the optional ending index is exclusive (the corresponding character is not included in the substring). If the ending index is omitted, the substring continues to the end of the String.
// SYNTAX
string.substring(from)
string.substring(from, to)
// PROTOTYPE
String substring( unsigned int beginIndex ) const;
String substring( unsigned int beginIndex, unsigned int endIndex ) const;
Parameters:
- string: a variable of type String
- from: the index to start the substring at
- to (optional): the index to end the substring before
Returns: the substring