A-M baby

Task/Multisplit/Python/multisplit-2.py

@@ -0,0 +1,24 @@
+>>> def ms(txt="a!===b=!=c", sep=["==", "!=", "="]):
+	if not txt or not sep:
+		return []
+	size = [len(s) for s in sep]
+	ans, pos0 = [], 0
+	def getfinds():
+		return [(-txt.find(s, pos0), -sepnum, size[sepnum])
+	 		 for sepnum, s in enumerate(sep)
+			 if s in txt[pos0:]]
+
+	finds = getfinds()
+	while finds:
+		pos, snum, sz = max(finds)
+		pos, snum = -pos, -snum
+		ans += [ txt[pos0:pos], [snum, pos] ]
+		pos0 = pos+sz
+		finds = getfinds()
+	if txt[pos0:]: ans += [ txt[pos0:] ]
+	return ans
+
+>>> ms()
+['a', [1, 1], '', [0, 3], 'b', [2, 6], '', [1, 7], 'c']
+>>> ms(txt="a!===b=!=c", sep=["=", "!=", "=="])
+['a', [1, 1], '', [0, 3], '', [0, 4], 'b', [0, 6], '', [1, 7], 'c']