I've a string like this:
我有一个像这样的字符串:
a=b\=c
and I need to split it using java split method such that my assertion does not throw an exception:
我需要使用java split方法拆分它,这样我的断言不会抛出异常:
String[] res = "a=b\\=c".split("SPLIT_REGEX");
assert (res[0].equals("a") && res[1].equals("b\\=c"));
I've tried [^\\]= as SPLIT_REGEX but it does not give me the desired answer. Could anybody tell me what would be the correct regex for my goal?
我试过[^ \\] =作为SPLIT_REGEX,但它没有给我想要的答案。谁能告诉我,我的目标是什么样的正确正则表达式?
1 个解决方案
#1
2
You can use a negative lookbehind before = to skip splitting in \=:
您可以在=之前使用负向lookbehind来跳过\ =中的拆分:
String res = "a=b\\=c";
String[] toks = res.split("(?<!\\\\)=");
//=> ["a", "b\\=c"]
(?<!\\\\) is negative lookahead that asserts failure when \ is present before =
(?
#1
2
You can use a negative lookbehind before = to skip splitting in \=:
您可以在=之前使用负向lookbehind来跳过\ =中的拆分:
String res = "a=b\\=c";
String[] toks = res.split("(?<!\\\\)=");
//=> ["a", "b\\=c"]
(?<!\\\\) is negative lookahead that asserts failure when \ is present before =
(?