public boolean matchesFunction(String text) {

		int functionCount = this.functionList.size();
		for(int i = 0;i<functionCount;i++) {
			String currentFunction = this.functionList.get(i).getLiteral();

			boolean isMatchingExpression = text.equals(currentFunction);

			if (isMatchingExpression) {
				return true;
			}
		}

		return false;
	}