脚本宝典收集整理的这篇文章主要介绍了PHP preg_match查找多次出现,脚本宝典觉得挺不错的,现在分享给大家,也给大家做个参考。
例如,查找以下段落中是否出现以下字符串:
$string = "/brown fox jumPEd [0-9]/"; $paragraph = "The brown fox jumped 1 time over the fence. The green fox did not. Then the brown fox jumped 2 times over the fence" if (preg_match($string,$paragraph)) { echo "match found"; }else { echo "match NOT found"; }
preg_match_all()
.以下是代码中的外观.实际函数返回找到的项目数,但$matches数组将保存结果:
<?PHP $string = "/brown fox jumped [0-9]/"; $paragraph = "The brown fox jumped 1 time over the fence. The green fox did not. Then the brown fox jumped 2 times over the fence"; if (preg_match_all($string,$paragraph,&$matches)) { echo count($matches[0]) . " matches found"; }else { echo "match NOT found"; } ?>
将输出:
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