String.split(String regex, int limit)

public String[] split(String regex, int limit)

limit n 大于0，则pattern（模式）应用n - 1 次

关于String.split(String regex, int limit)String s = “boo:and:foo”

关于String.split(String regex, int limit)s.split(“:”,2)

关于String.split(String regex, int limit)//result is { “boo”, “and:foo” }

limit n 小于0，则pattern（模式）应用无限次

关于String.split(String regex, int limit)String s = “boo:and:foo”

关于String.split(String regex, int limit)s.split(“:”,-2)

关于String.split(String regex, int limit)//result is { “boo”, “and”, “foo” }

limit n 等于0，则pattern（模式）应用无限次并且省略末尾的空字串

关于String.split(String regex, int limit)String s = “boo:and:foo”

关于String.split(String regex, int limit)s.split(“o”, -2)

//result is { “b”, “”, “and:f”, “”, “” }

s.split(“o”, 0)

//result is { “b”, “”, “and:f” }

例子：string “boo:and:foo”

Regex Limit Result

2 { “boo”, “and:foo” }

5 { “boo”, “and”, “foo” }

-2 { “boo”, “and”, “foo” }

o 5 { “b”, “”, “:and:f”, “”, “” }

o -2 { “b”, “”, “:and:f”, “”, “” }

o 0 { “b”, “”, “:and:f” }