分割字符串直到特定的子字符串 [英] Split the string till specific substring

问题描述

我有一份参考书目，我必须将作者的名字与引文作者进行比较.我必须将字符串拆分到一年，这样我才能只获得作者姓名.但我不知道如何进一步进行.

例如:

I have a reference list, I have to compare author''s name with citation authors. I have to split the string till the year,So that I can get only author names. but I don''t have an idea how to proceed further.

For example:

txt="Sperrin, M., Jaki, T., & Wit, E. (2010). Probabilistic relabelling strategies for the label switching problem in Bayesian mixture models. Statistics in Computing, 20, 357-366."

-这是我必须从中提取作者姓名的文本


到目前为止，我已经尝试过了...

- This is the text from which I have to extract the author name


I have tried so far...

dim txt as string
    dim txtarray() as string
    txt="Sperrin, M., Jaki, T., & Wit, E. (2010). Probabilistic relabelling
    strategies for the label switching problem in Bayesian mixture models. 
    Statistics in Computing, 20, 357-366."
    txtarray=split(txt,",");
    'here I have to split the string till year because it will split all the
    'words which have comma with it.I need only the author's name.So, here I got 
    'struck how to get split string only till year.
    '??????

推荐答案

每个条目的括号中都带有年份吗?尝试使用正则表达式，例如:

Every entry has year in parenthesis? Try regular expressions, for instance:

System.Text.RegularExpressions.Regex.Split(input, "\([12][0-9]{3}\)")

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