正则表达式-字符串中取小数 如在“Your Current Quantity Discount\n\n 1 items @ $2.50 * 0% = $1.00\n\n\nTotal Discount: $2.20”取出2.50和1.00和2.20. 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 $str = "Your Current Quantity Discount\n\n 1 items @ $2.50 * 0% = $1.00\n\n\nTotal Discount: $2.20”";preg_match_all("/([\d\.\$]+)/i",$str,$matches);var_dump($matches); <?php $str = "Your Current Quantity Discount\n\n 1 items @ $2.50 * 0% = $1.00\n\n\nTotal Discount: $2.20”";preg_match_all("/(\d+\.?\d+)/i",$str,$matches);echo '<pre>';var_dump($matches);echo '</pre>'?> <?php $str = "Your Current Quantity Discount\n\n 1 items @ $2.50 * 0% = $1.00\n\n\nTotal Discount: $2.20”";preg_match_all('/\$(\d+\.?\d+)/i',$str,$matches);echo '<pre>';var_dump($matches);echo '</pre>'?> [code=PHP$str = "Your Current Quantity Discount\n\n 1 items @ $2.50 * 0% = $1.00\n\n\nTotal Discount: $2.20”";preg_match_all("/(\d+\.\d+)/i",$str,$matches);var_dump($matches);][/code]只要数字。自己想出来了。不过还是谢谢热心的人 IIS+PHP4出现错误 关于dreamweaver+mysql 编码问题 关于php多重继承问题 SMARTY处理二维数组!!!! 采集显示notfound怎么解决啊 请问各位 phpMyAdmin 有没有像微软那样的软件呀. INCLUDE请教 一个PHP按条件搜索数组的问题 php nginx的location正则匹配问题 正则表达式排除不管用啊,各位看看我这个写的有什么错误 新手请指点!
preg_match_all("/([\d\.\$]+)/i",$str,$matches);
var_dump($matches);
$str = "Your Current Quantity Discount\n\n 1 items @ $2.50 * 0% = $1.00\n\n\nTotal Discount: $2.20”";
preg_match_all("/(\d+\.\d+)/i",$str,$matches);
var_dump($matches);][/code]
只要数字。自己想出来了。不过还是谢谢热心的人