Home  >  Article  >  php教程  >  正则匹配是否是科学技术

正则匹配是否是科学技术

PHP中文网
PHP中文网Original
2016-05-24 12:53:011200browse

正则匹配是否是科学技术

$a='1.8943E+10';

if(preg_match("#[a-zA-Z|\.\+]+#iUs",$a)){
 echo "匹配到了";
}else{
  echo "没有";
};
Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn