final boolean foundMatch = matcher.find(aStartPosition);
if (foundMatch) {
// match is found, check for intersection with comment
final int startCol = matcher.start(0);
final int endCol = matcher.end(0) - 1;
final FileContents fileContents = getFileContents();
if (fileContents.hasIntersectionWithComment(aLineNumber,
startCol, aLineNumber, endCol))
{
// was part of comment
if (endCol < aLine.length()) {
// check if the expression is on the rest of the line