public class MainClass
{
public static void main( String args[] )
{
String firstString = "This sentence ends in 5 stars *****";
String secondString = "1, 2, 3, 4, 5, 6, 7, 8";
System.out.printf( "Original String 1: %s\n", firstString );
// replace first three digits with 'digit'
for ( int i = 0; i < 3; i++ )
secondString = secondString.replaceFirst( "\\d", "digit" );
System.out.printf(
"First 3 digits replaced by \"digit\" : %s\n", secondString );
}
}
Original String 1: This sentence ends in 5 stars *****
First 3 digits replaced by "digit" : digit, digit, digit, 4, 5, 6, 7, 8