Javascript examples for RegExp:Metacharacter
The \xdd character matches the Latin character specified by a hexadecimal number dd.
If no match is found, it returns null.
The following code shows how to Do a global search for the hexadecimal number 57 (W) in a string:
<!DOCTYPE html> <html> <body> <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() {/*www . ja va 2 s . com*/ var str = "The following code shows how to . Hello World!"; var patt1 = /\x57/g; var result = str.match(patt1); document.getElementById("demo").innerHTML = result; } </script> </body> </html>