anchor.diff:    /// Enable or disable search only for a first match in prior
     /// to all matches according to [enable] flag.
     ///
  +  /// Global (all matches) search is default.
     /// Returns this verbal expression object.
     ///
     /// Example:
  
positive.code: 
    bool _ignoreCase = false;
    bool _isMultiLine = true;
    bool _isGlobal = false;
  
    /// Escapes any non-word char with two backslashes used by any method, except [this.add]
    ///
  
negative.code:   /// Enable or disable search in one line in prior
    /// to multi line search according to [enable] flag.
    ///
    /// Multi line search is default.
    /// Returns this verbal expression object.
    ///
    /// Example:
  