we have thousands of rows of data containing articlenumers in all sort of formats and I need to split off main article number from a size indicator. There is (almost) always a dot, dash or underscore between some last characters (not always 2).we have thousands of rows of data containing ar
阅读背景：
php匹配正则表达式以分割最后一个点，冒号或下划线（使用preg_match）
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