$string="18 Mar 2013 <b>...</b> And this is exactly what is sparking the resurgence of long-tail <br> <b>keyword</b> targeting in <b>SEO</b>. I've observed this trend among both young <b>...</b>"
$string="May be <b>google</b> not considering Meta <b>keywords</b> for his searching, but meta <br> descriptions play a vital role in your <b>SEO</b> practices,even including <b>...</b>"
$string="7 Jun 2010 <b>...</b> Picking <b>SEO Keywords</b>: Using <b>Google's</b> Wonder Wheel. This is in my opinion the <br> best little secret of everyone's favorite search engine: the <b>...</b>"
$string="For search engine marketers -- and the companies who depend on them -- things <br> just got a little tougher. <b>SEO</b> companies, most still reeling <b>...</b>"
$clean_string = preg_replace("need this here remove date regex syntax", "", $string);
需要一个正则表达式或一个小代码。请参阅上面的示例代码。去掉文本开头的日期。和更改文本和日期不一样。我没有日期在一些文本的开始的例子。提前感谢帮助过的朋友
对于示例中的日期格式应该足够了:
$result = preg_replace(
'/^ # Start of string
'd{1,2} # 1-2 digits
's+ # whitespace
[a-z]+ # 1 or more ASCII letters
's+ # whitespace
'd{2,4} # 2-4 digits
's* # optional whitespace/ix',
'', $subject);