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To match the Unicode character specified by the hexadecimal number xxx with a JavaScript regular expression, use the following code -
\uxxxx
You can try running the following code to match the hexadecimal digit characters xxxx. It matches the hexadecimal number 53, which is S -
<html> <head> <title>JavaScript Regular Expression</title> </head> <body> <script> var myStr = "Secure and Responsive!"; var reg = /\u0053/g; var match = myStr.match(reg); document.write(match); </script> </body> </html>
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