properly escape `\[`

2023-09-11 00:30:29 -05:00 · 2023-09-11 00:30:29 -05:00 · 887a724606
parent 780c60ad7e
commit 887a724606
1 changed files with 8 additions and 1 deletions
--- a/src/bbansi.nim
+++ b/src/bbansi.nim
@ -17,7 +17,14 @@ proc bb*(s: string): string =

  while i < s.len:
    # start extracting pattern when you see '[' but not '[['
-    if s[i] == '[' and preChar notin {'\\','['} and s[i+1] != '[':
+    if s[i] == '\\':
+      inc i
+      if s[i] == '[':
+        result.add s[i]
+        inc i
+        continue
+
+    if s[i] == '[' and preChar != '\\':
      inc i
      while i < s.len and s[i] != ']':
        preChar = s[i]