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JavaScript RegExp Assertions 正则表达式断言
tryjs_regexp_named_groups
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<!DOCTYPE html> <html> <body> <h1>Regular Expressions</h1> <h2>Named Capturing Groups</h2> <p id="demo"></p> <script> const text = "Name: John Doe"; // Using named capturing groups const regex = /(?<firstName>\w+) (?<lastName>\w+)/; const match = text.match(regex); let fName = match.groups.firstName; let lName = match.groups.lastName; document.getElementById("demo").innerHTML = "Last Name: " + match.groups.lastName; </script> </body> </html>