Replace image address img tag with regular expression_Basic knowledge

The solution I initially thought of is:

Copy code The code is as follows:

content.replace(/ ]*src=['"]([^'"] )[^>]*>/gi, function (match) {
console.log(match);
});

The output result is:

Copy code The code is as follows:

What I get is the entire img tag, but what I expect is the URL in src, so I just need to return the new address in function(match).
So, I’m stuck here. . .
Later, I searched Google for the keyword "javascript replace callback" and found "replace callback function with matches" in stackoverflow, and then I learned that function (match) has other parameters

Then, change to the code below and the problem will be solved.

Copy code The code is as follows:

content.replace(/ ]*src=['"]([^'"] )[^>]*>/gi, function (match, capture) {
console.log(capture);
});

Output result:

Copy code The code is as follows:

http://www.jb51.net/images/ logo.gif