/guava/guava/src/com/google/common/base/CharMatcher.java
for ( int i = sequence.length( )  == 1; i >= 0; i--) {
for ( int i = sequence.length ( ) - 1; i >= 0; i-- ) {
return i; } } return -1; } public int lastIndexIn(CharSequence sequence) { <extra_id_0> if (matches(sequence.charAt(i))) { return i; } } return -1; }