<html><head><title>JavaScript RegExp</title></head><body><scripttype="text/javascript">
var str = "1323pabc";
var pattern = /[^a-zA-Z]/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>
HTML
输出
Test 1 - returned value : 1,3,2,3
Test 2 - returned value : null