Selectively replace multiple instances of a character within a string: Difference between revisions

Content added Content deleted

Inline

@@ Line 574: / Line 574: @@
 def nthInstanceReplaced(ruleMap):
     def go(a, c):
-        if c in ruleMap:
+        if c in a:
-            i = a.get(c, 0)
+            ds = a.get(c)
-            deltas = ruleMap.get(c)
             return (
-                dict(a, **{c: 1 + i}),
+                dict(a, **{c: ds[1:]}),
-                deltas[i] or c if i < len(deltas) else c
+                ds[0] or c
-            )
+            ) if ds else (a, c)
         else:
             return a, c
     return lambda s: ''.join(
-        mapAccumL(go)({})(s)[1]
+        mapAccumL(go)(ruleMap)(s)[1]
     )