Updated more constants, so that they aren't exported

regex/compile.go

@@ -452,19 +452,19 @@ func shuntingYard(re string, flags ...ReFlag) ([]postfixNode, error) {
 			// Now we should filter that out.
 			toAppend := postfixNode{nodetype: assertionNode, startReps: 1, endReps: 1}
 			if regex[0] == '<' { // Lookbehind
-				toAppend.lookaroundDir = LOOKBEHIND
+				toAppend.lookaroundDir = lookbehind
 				regex = regex[1:]
 			} else if regex[0] == '=' || regex[0] == '!' {
-				toAppend.lookaroundDir = LOOKAHEAD
+				toAppend.lookaroundDir = lookahead
 			} else {
 				return nil, fmt.Errorf("invalid lookaround")
 			}
 			// Positive or negative
 			if regex[0] == '=' { // Positive
-				toAppend.lookaroundSign = POSITIVE
+				toAppend.lookaroundSign = positive
 				toAppend.contents = []rune(regex[1:])
 			} else if regex[0] == '!' { // Negative
-				toAppend.lookaroundSign = NEGATIVE
+				toAppend.lookaroundSign = negative
 				toAppend.contents = []rune(regex[1:])
 			} else {
 				return nil, fmt.Errorf("invalid lookaround")
@@ -739,7 +739,7 @@ func shuntingYard(re string, flags ...ReFlag) ([]postfixNode, error) {
 					return nil, fmt.Errorf("invalid start range for numeric specifier")
 				}
 				if len(endRange) == 0 { // Case 3 above
-					endRangeNum = INFINITE_REPS
+					endRangeNum = infinite_reps
 				} else { // Case 2 above
 					var err error
 					endRangeNum, err = strconv.Atoi(string(endRange))
@@ -881,19 +881,19 @@ func thompson(re []postfixNode) (Reg, error) {
 					}
 				} else { // Lookaround
 					state.lookaroundRegex = string(c.contents)
-					if c.lookaroundDir == LOOKAHEAD {
+					if c.lookaroundDir == lookahead {
-						if c.lookaroundSign == POSITIVE {
+						if c.lookaroundSign == positive {
 							state.assert = PLA
 						}
-						if c.lookaroundSign == NEGATIVE {
+						if c.lookaroundSign == negative {
 							state.assert = NLA
 						}
 					}
-					if c.lookaroundDir == LOOKBEHIND {
+					if c.lookaroundDir == lookbehind {
-						if c.lookaroundSign == POSITIVE {
+						if c.lookaroundSign == positive {
 							state.assert = PLB
 						}
-						if c.lookaroundSign == NEGATIVE {
+						if c.lookaroundSign == negative {
 							state.assert = NLB
 						}
 					}
@@ -1082,7 +1082,7 @@ func thompson(re []postfixNode) (Reg, error) {
 			for i := 0; i < c.startReps; i++ { // Case 1
 				stateToAdd = concatenate(stateToAdd, cloneState(state))
 			}
-			if c.endReps == INFINITE_REPS { // Case 3
+			if c.endReps == infinite_reps { // Case 3
 				s2, err := kleene(*state)
 				if err != nil {
 					return Reg{}, err

regex/postfixNode.go

@@ -23,12 +23,12 @@ const (
 )
 
 // Helper constants for lookarounds
-const POSITIVE = 1
+const positive = 1
-const NEGATIVE = -1
+const negative = -1
-const LOOKAHEAD = 1
+const lookahead = 1
-const LOOKBEHIND = -1
+const lookbehind = -1
 
-var INFINITE_REPS int = -1 // Represents infinite reps eg. the end range in {5,}
+var infinite_reps int = -1 // Represents infinite reps eg. the end range in {5,}
 // This represents a node in the postfix representation of the expression
 type postfixNode struct {
 	nodetype       NodeType