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正则表达式—匹配连续重复的字符
正则表达式—匹配连续重复的字符<?php正则匹配的含义header("Content-Type:text/html;charset=utf-8");$str = '开开开开开不不不起';$reg = '/[\x{4e00}-\x{9fa5}]{5}/u';preg_match($reg,$str,$match);$str = '开不开开开开开不不不起';$reg = '/[\x{4e00}-...
正则表达式—匹配连续重复的字符<?php正则匹配的含义header("Content-Type:text/html;charset=utf-8");$str = '开开开开开不不不起';$reg = '/[\x{4e00}-\x{9fa5}]{5}/u';preg_match($reg,$str,$match);$str = '开不开开开开开不不不起';$reg = '/[\x{4e00}-...