<html> <head> <title>JavaScript RegExp</title> </head> <body> <script type = "text/javascript"> var str = "ab c"; var pattern = /\s/g; var result = str.match(pattern); document.write("Test 1-returned value : " + result); str = "abc"; result = str.match(pattern); document.write("<br/>Test 2-returned value : " + result); </script> </body> </html>
Test 1-returned value :
Test 2-returned value : null