regex - 如何从字符串中获取非字母分隔符

Question

我有一种情况，我想从给定的字符串中获取分隔符，如下所示:-

String str1 = "saurabh|om|anurag|abhishek|jitendra"

String str2 = "amit,ankur,sumit,aniket,suheel"

String str3 = "aj-kumar-manav-lalit-gaurav"

-------

在上面的字符串中，我想将分隔符设为:-

String separatorStr1 = "|"
String separatorStr2 = ","
String separatorStr3 = "-"

注意:- 分隔符在字符串中始终是非字母的

有什么办法可以实现这一点吗？

Answer 1

使用groovy regex和find([^\w]是任何非字母数字字符)

def getSeparator = { str ->
    str.find(~/[^\w]/)
}

String str1 = "saurabh|om|anurag|abhishek|jitendra"
String str2 = "amit,ankur,sumit,aniket,suheel"
String str3 = "aj-kumar-manav-lalit-gaurav"

assert getSeparator(str1) == '|'
assert getSeparator(str2) == ','
assert getSeparator(str3) == '-'