Throw error if \B is used in character class

2025-01-30 12:27:22 -05:00
parent 00c39857eb
commit b734d61a03
1 changed files with 3 additions and 0 deletions
--- a/regex/postfixNode.go
+++ b/regex/postfixNode.go
@@ -95,6 +95,9 @@ func newEscapedNode(c rune, inCharClass bool) (postfixNode, error) {
 			toReturn.nodetype = assertionNode
 			toReturn.contents = append(toReturn.contents, c)
 		}
+		if c == 'B' && inCharClass { // Invalid
+			return postfixNode{}, fmt.Errorf("word boundaries are not allowed in character class")
+		}
 	case 'n': // Newline character
 		toReturn.nodetype = characterNode
 		toReturn.contents = append(toReturn.contents, '\n')