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This article mainly shares with you JS regular expression application examples, hoping to help everyone. Tool regexper/.com regular tool (may be a bit slow in China), we can try to install the source code on github.
2006/02/03
test/07/sd
2016/05/10
1997-03-07
1992-02 -45
2018-45-05
123456/23/458
1234/23/4795
//用中括号表示或者//用花括号表示次数{4} {4,} 大于4次 {4,8} 4到8次 \d{4}[/-]\d{2}[/-]\d{2}
g represents the global meaning
var reg = /\bis\b/g; 'He is a body.This is a dog.Where is she?'.replace(reg,'Is') "He Is a body.This Is a dog.Where Is she?"
Constructor
RegExp()
Modifiers
g: Global match
i: Case-insensitive
m: What a good search
Metacharacters
1. The literal text character a abc matches a abc
2. Metacharacters are non-letter characters with special meanings in regular expressions * ^ $ {} [] () .
Character class
##Greedy Mode
10 application examples of js regular expressions
JS regular expressions How to replace url parameters
15 commonly used js regular expressions
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