/
	^			  # start of line
	\s*			# optional whitespace
	(?!for all)	# NOT "for all"
	(\w+)		  # One or more word chars
	\s*			# optional whitespace
	:			  # a colon
	\s*			# more optional whitespace
	(\w+)		  # another set of one or more word chars
	\s*			# and more optional whitespace
	(?!<=)		 # NOT followed by the char sequence '<='
/i