for example, there is a paragraph of markdown
.-sharp-sharp mysql
>mysql"MySQL Command Line Client"mysql;";"
[http://localhost:8081/markdown/3](http://localhost:8081/markdown/3)how to find the address of the picture in! [image] () through the rule?
.match(/!\[image\]\((\S*)\)/) 
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for example: aa A1:B2 v2VR b3 want to get: aa A1:B2 v2VR b3 ...
means that users can post links and pictures, but cannot send html and css styles! the current way of writing is: var result=str.replace( (< ?)([a-z]+)( s[ w W]*?)?(>) ig,function(s0,s1,s2,s3,s4) { if (! ^(img|a)$ .test(s2)) return &q...
var key = ? (key) var str1 = `{{${key} ? ${key}: nihao }}` var str2 = `{{ ${key} && nihao }}` var str3 = `{{ nihao || ${key} }}` reg.test(str1) && reg.test(str2) && reg.test(str3) === true reg =? ...