Renamed one more variable to avoid exporting

regex/compile.go

@@ -233,7 +233,7 @@ func shuntingYard(re string, flags ...ReFlag) ([]postfixNode, error) {
 					i++
 				}
 				if re_runes[i] == '-' && (i > 0 && re_runes[i-1] != '\\') && (i < len(re_runes)-1 && re_runes[i+1] != rbracketRune) { // Unescaped hyphen, that has some character (not a RBRACKET) after it - This represents a character range, so we replace with CHAR_RANGE. This metacharacter will be used later on to construct the range
-					re_runes[i] = CHAR_RANGE
+					re_runes[i] = charRangeRune
 				}
 				toAppend = append(toAppend, re_runes[i])
 				i++
@@ -524,7 +524,7 @@ func shuntingYard(re string, flags ...ReFlag) ([]postfixNode, error) {
 				if firstCharAdded && re_postfix[i] == rbracketRune {
 					break
 				}
-				if re_postfix[i] == CHAR_RANGE {
+				if re_postfix[i] == charRangeRune {
 					endOfRange = true
 					i++
 					continue

regex/misc.go

@@ -15,7 +15,7 @@ var lparenRune rune = 0xF0005  // Parentheses in regex are concatenated with thi
 var rparenRune rune = 0xF0006
 var nonCapLparenRune rune = 0xF0007 // Represents a non-capturing group's LPAREN
 var escBackslashRune rune = 0xF0008 // Represents an escaped backslash
-var CHAR_RANGE rune = 0xF0009       // Represents a character range
+var charRangeRune rune = 0xF0009    // Represents a character range
 
 var specialChars = []rune{'?', '*', '\\', '^', '$', '{', '}', '(', ')', '[', ']', '+', '|', '.', concatRune, '<', '>', lbracketRune, rbracketRune, nonCapLparenRune}