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PHP提取字符串中的字符一部分

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Release: 2016-06-13 10:34:44
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PHP提取字符串中的字符部分
$str1 = 'abc12';
$str2 = 'edf3';

如何提取变量$str1和$str2中的只是字符部分(从$str1中提取出'abc',从$str2中提取出'edf')?

------解决方案--------------------

PHP code
[[email protected] php_project]$ php main.php abcdefg[[email protected] php_project]$ cat main.php <?php $str = "abc123d45ef6g7";$n = preg_match_all('/[a-zA-Z]*/', $str, $matches);if ($n) {        echo implode("", $matches[0]);}?><br><font color="#e78608">------解决方案--------------------</font><br>取出全部的字母<br>echo preg_replace('/[^a-z]/i', '', $str1);<br><br>只取前边的字母<br>echo preg_replace('/^([a-z]+).*/i', '$1', $str1);<div class="clear">
                 
              
              
        
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