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JavaScript RegExp 正则表达式对象
tryjs_regexp_escape
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<!DOCTYPE html> <html> <body> <h1>Regular Expressions</h1> <p>Safely escape strings to be used inside regular expressions:</p> <p id="demo"></p> <script> // Escape a text for to use as a regular expression const safe = RegExp.escape("[*]"); // Build a new reglar expression const regex = new RegExp(safe); // Text to replace within const oldText = "[*] is a web school."; // Perform the replace const newText = oldText.replace(regex, "FreeW3C"); document.getElementById("demo").innerHTML = newText; </script> </body> </html>