要查找非空白字符，请使用以下命令-
\S
您可以尝试运行以下代码来查找非空白字符-
<html> <head> <title>JavaScript Regular Expression</title> </head> <body> <script> var myStr = "100% Responsive!"; var reg = /\S/g; var match = myStr.match(reg); document.write(match); </script> </body> </html>