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- Reference - What does this regex mean? 1 answer
参考 - 这个正则表达式意味着什么? 1个答案
What does it mean "[^a-zA-Z]+" ?
这是什么意思“[^ a-zA-Z] +”?
I am a beginner in JAVA and not getting what does it mean .
我是JAVA的初学者而没有得到它的意思。
3 个解决方案
#1
1
It means split the string on sequences of one or more consecutive non-letters. Study https://en.wikipedia.org/wiki/Regular_expression
这意味着将字符串拆分为一个或多个连续非字母的序列。学习https://en.wikipedia.org/wiki/Regular_expression
Eg. if s="abc, zzz!,ccc=ddd0eee" then words = {"abc", "zzz", "ccc", "ddd", "eee"}
例如。如果s =“abc,zzz!,ccc = ddd0eee”则words = {“abc”,“zzz”,“ccc”,“ddd”,“eee”}
#2
0
It's called RegEx , or Regular Expression , which defines a search pattern into a String.
它被称为RegEx或Regular Expression,它将搜索模式定义为String。
You can find a good tutorial with examples here
你可以在这里找到一个很好的教程
#3
0
It's regular expression. This one mean "match all strings that contain a non-letter". Also you can learn regex https://www.marksanborn.net/howto/learning-regular-expressions-for-beginners-the-basics/
这是正则表达式。这意味着“匹配包含非字母的所有字符串”。你也可以学习正则表达式https://www.marksanborn.net/howto/learning-regular-expressions-for-beginners-the-basics/
#1
1
It means split the string on sequences of one or more consecutive non-letters. Study https://en.wikipedia.org/wiki/Regular_expression
这意味着将字符串拆分为一个或多个连续非字母的序列。学习https://en.wikipedia.org/wiki/Regular_expression
Eg. if s="abc, zzz!,ccc=ddd0eee" then words = {"abc", "zzz", "ccc", "ddd", "eee"}
例如。如果s =“abc,zzz!,ccc = ddd0eee”则words = {“abc”,“zzz”,“ccc”,“ddd”,“eee”}
#2
0
It's called RegEx , or Regular Expression , which defines a search pattern into a String.
它被称为RegEx或Regular Expression,它将搜索模式定义为String。
You can find a good tutorial with examples here
你可以在这里找到一个很好的教程
#3
0
It's regular expression. This one mean "match all strings that contain a non-letter". Also you can learn regex https://www.marksanborn.net/howto/learning-regular-expressions-for-beginners-the-basics/
这是正则表达式。这意味着“匹配包含非字母的所有字符串”。你也可以学习正则表达式https://www.marksanborn.net/howto/learning-regular-expressions-for-beginners-the-basics/