question: private static void replaceControlCodes ( Matcher m , SpannableStringBuilder ssb , CharacterStyle style ) { ArrayList < Integer > toremove = new ArrayList < Integer > ( ) ; while ( m . find ( ) ) { toremove . add ( 0 , m . start ( ) ) ; if ( m . group ( 2 ) != null && m . group ( 2 ) != m . group ( 3 ) ) { toremove . add ( 0 , m . end ( ) - 1 ) ; } ssb . setSpan ( style , m . start ( ) , m . end ( ) , Spannable . SPAN_EXCLUSIVE_EXCLUSIVE ) ; } for ( Integer i : toremove ) { ssb . delete ( i , i + 1 ) ; } }
target:  Replace the control codes