Objective-C ' (\\'')|(.') # [\n\r] (?<=[^\w\d]|^)(((([0-9]+\.[0-9]*)|(\.[0-9]+))([eE][+\-]?[0-9]+)?[fFlL]?)|((([1-9][0-9]*)|0[0-7]*|(0[xX][0-9a-fA-F]+))(([uU][lL]?)|([lL][uU]?))?))(?=[^\w\d]|$) /\*" "\*/ /\* \*/ // [\n\r] @?" (((?<!\\)(\\\\)*)|^)" @class @end @implementation @interface @private @protected @protocol @public break case continue default do else enum extern for goto if id NULL nil Nil void return sizeof struct switch typedef union while @defs @encode @selector self super YES NO IBAction IBOutlet int long float double char unichar unsigned signed const static BOOL SEL Class auto register short volatile new alloc allocWithZone release autorelease copy copyWithZone mutableCopy mutableCopyWithZone retain (?<=[^\w\d]|^)(((([0-9]+\.[0-9]*)|(\.[0-9]+))([eE][+\-]?[0-9]+)?[fFlL]?)|((([1-9][0-9]*)|0[0-7]*|(0[xX][0-9a-fA-F]+))(([uU][lL]?)|([lL][uU]?))?))(?=[^\w\d]|$) ([A-Za-z0-9_]+ *)\( [^:]\([^)]*\)[ ]*([A-Za-z0-9_]+)[ ]*[{;] (?=\))[ ]*([A-Za-z0-9_]+:) ([A-Za-z0-9_]+:) ([A-Za-z0-9_]+)(?=])