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问题描述
我想在给定字符串后匹配文本.在这种情况下,以BookTitle"开头但在第一个空格之前的行的文本:
I want to match text after given string. In this case, the text for lines starting with "BookTitle" but before first space:
BookTitle:HarryPotter JK Rowling BookTitle:HungerGames Suzanne Collins Author:StephenieMeyer BookTitle:Twilight所需的输出是:
HarryPotter HungerGames我试过:"^BookTitle(.*)" 但它给了我匹配 BookTitle: 在行中间的地方,以及空格之后的所有东西.有人帮忙吗?
I tried: "^BookTitle(.*)" but it's giving me matches where BookTitle: is in middle of line, and also all the stuff after white space. Anyone help?
推荐答案你可以在你的模式中使用 positive lookbehind.
you can have positive lookbehind in your pattern.
(?<=BookTitle:).*?(?=\s)更多信息:前瞻和后视零宽度断言
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正则表达式仅提取字符串之后和空格之前的文本
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