正则表达式从字符串中删除单个字符

本文介绍了正则表达式从字符串中删除单个字符的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

考虑以下字符串

breaking out a of a simple prison this is b moving up following me is x times better

所有字符串都已经小写.我想删除所有松散"的a-z字符，从而导致:

All strings are lowercased already. I would like to remove any "loose" a-z characters, resulting in:

breaking out of simple prison this is moving up following me is times better

在php中使用单个正则表达式可能吗?

Is this possible with a single regex in php?

推荐答案

$str = "breaking out a of a simple prison this is b moving up following me is x times better"; $res = preg_replace("@\\b[a-z]\\b ?@i", "", $str); echo $res;