命令格式: grep pattern [file...] When grep encounters a "pattern" in the file, it prints out the lines containing it. 也就是说,grep 命令的功能是,如果 file 中存在于 pattern 匹配的项,则输出.举例说明: ls /bin /usr/bin | sort | uniq | grep zip 会得到如下结果: bunzip2 bzip2 gunzip gzip u…
最近写了个正则表达式匹配的工具,可以按照组名输出匹配内容,还是挺方便的,代码留存一下,以后用的话,直接copy了. Regex regex = new Regex(this.textBoxRegex.Text); Match result = regex.Match(this.textBoxText.Text); if (result.Success) { StringBuilder sb = new StringBuilder(); foreach (var groupName in rege…