我正试图在newick格式树上转换节点,并且无法获得替换权限。说我有HashMap
:一次传递Java多个替换
"(1:" : "(30:"
",1:" : ",30:"
"(30:" : "(6:"
",30:" : ",6:"
和树:
(30:0.07,(1:0.06,2:0.76))
传统智慧会建议多replaceAll
,但这带来了一个问题:
replaceAll("(1:", "(30:") >> (30:0.07,(30:0.06,2:0.76))
replaceAll("(30:", "(6:") >> (6:0.07,(6:0.06,2:0.76))
这里的问题是我们”已经取代了之前被替换的节点。正确的树应该是这样的:
(6:0.07,(30:0.06,2:0.76))
现在我已经做到了这一点在Python:
def multiple_replace(taxa, text):
regex = re.compile("|".join(map(re.escape, taxa.keys())))
return regex.sub(lambda mo: taxa[mo.group(0)], text)
但我有我的Java实现的麻烦:
private String convertTree (String treeOld, HashMap<String, String> conv) {
Pattern pattern = Pattern.compile("\\(\\d+:|,\\d+:");
Matcher matcher = pattern.matcher(treeOld);
StringBuilder sbt = new StringBuilder(treeOld);
while (matcher.find()) {
String replace = conv.get(matcher.group());
System.out.println(matcher.group() + "||" +replace + " || " + matcher.start() + ":"+matcher.end());
sbt.delete(matcher.start(), matcher.end());
sbt.insert(matcher.start(), replace);
}
return treeOld;
}
虽然替换似乎工作,我不能使用不同大小的字符串正确索引(如示例中所示)。有没有办法在Java中做到这一点?
比我的尝试更清洁,非常感谢! – Darkstarone