in chatterbox-twitter/chatterbox-twitter-impl/src/main/java/org/apache/tomee/chatterbox/twitter/adapter/Template.java [81:88]
private static String escapeCharacters(final String expression) {
final StringBuilder sb = new StringBuilder();
for (int i = 0; i < expression.length(); i++) {
final char ch = expression.charAt(i);
sb.append(isReservedCharacter(ch) ? "\\" + ch : ch);
}
return sb.toString();
}