请帮忙改一个正则表达式!this.value.replace(/\D/g,'');

1.如果是匹配中文: $pattern = "/[\u4E00-\u9FA5\uf900-\ufa2d]/"; 2.如果非中文则为替换为空: replace(/[^\u4E00-\u9FA5\uf900-\ufa2d]/g,'');