Regular expression - how to match square bracket pairs in vim
phpcn_u15822017-05-16 16:41:46
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It seems that I use \[ to match [, use ] to match]. I use \[*] to match the square bracket pair, but a\[*] cannot match the bracket pair with a in front (array a) , but using a\[ can match a and the left bracket after a. Why?
But are you sure you want to use*? Your "like" makes me have the urge to give you a tutorial on regular expressions...
[...]是用来匹配字符类的，比如[abd]匹配a,b或者d中的任何一个。因为[]已经有这个意思了，所以要匹配到[字符需要转义[，要匹配]的话原则上也是要转义的], but it does not need to be escaped when it does not cause ambiguity.
*是一个量词，它表示前边那个字符（或者字符类、字符组is aquantifier, which means that the previouscharacter(orcharacter class,character group) can appear anywhere Multiple times (0 times also counts).
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My test result is
a[*]可以匹配到a[]。当然它不能匹配a[i].But are you sure you want to use
*? Your "like" makes me have the urge to give you a tutorial on regular expressions...[...]是用来匹配字符类的，比如[abd]匹配a,b或者d中的任何一个。因为[]已经有这个意思了，所以要匹配到[字符需要转义[，要匹配]的话原则上也是要转义的], but it does not need to be escaped when it does not cause ambiguity.*是一个量词，它表示前边那个字符（或者字符类、字符组is aquantifier, which means that the previouscharacter(orcharacter class,character group) can appear anywhere Multiple times (0 times also counts).