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Linux中grep命令用法详解查找特定字符串并颜色显示
[root@ www.linuxidc.com]# grep -n "the" regular_express.txt --color=auto
8:I can"t finish the test.
12:the symbol "*" is represented as start.
15:You are the best is mean you are the no. 1.
16:The world <Happy> is the same with "glad".
18:google is the best tools for search keyword. 反向选择查找特定字符串并颜色显示[root@ www.linuxidc.com]# grep -vn "the" regular_express.txt --color=auto
1:"Open Source" is a good mechanism to develop programs.
2:apple is my favorite food.
......忽略大小写查找特定的字符 [root@ www.linuxidc.com]#  grep -in "the" regular_express.txt
使用 [] 来查找集合字符:[root@ www.linuxidc.com]# grep -n "t[ae]st" regular_express.txt
8:I can"t finish the test.
9:Oh! The soup taste good.查找有‘oo’字符串[root@ www.linuxidc.com]# grep -n "oo" regular_express.txt
1:"Open Source" is a good mechanism to develop programs.
2:apple is my favorite food.
3:Football game is not use feet only.
9:Oh! The soup taste good.
18:google is the best tools for search keyword.
19:goooooogle yes!查找有‘oo’字符串,但是不要前面有g的,即剔除goo[root@ www.linuxidc.com]# grep -n "[^g]oo" regular_express.txt
2:apple is my favorite food.
3:Football game is not use feet only.
18:google is the best tools for search keyword.
19:goooooogle yes!查找非小写字母加oo的内容[root@ www.linuxidc.com]# grep -n "[^a-z]oo" regular_express.txt
3:Football game is not use feet only.
 获取有数字的一行[root@ www.linuxidc.com]# grep -n "[0-9]" regular_express.txt
5:However, this dress is about $ 3183 dollars.
15:You are the best is mean you are the no. 1.[root@ www.linuxidc.com]# grep -n "[^[:lower:]]oo" regular_express.txt
3:Football game is not use feet only.

 查询以the开头的字符[root@ www.linuxidc.com]# grep -n "^the" regular_express.txt
12:the symbol "*" is represented as start.查询开头是小写字母的内容[root@ www.linuxidc.com]# grep -n "^[a-z]" regular_express.txt
2:apple is my favorite food.
4:this dress doesn"t fit me.
10:motorcycle is cheap than car.
12:the symbol "*" is represented as start.
18:google is the best tools for search keyword.
19:goooooogle yes!
20:go! go! Let"s go.查询第一个字符不是大写的[root@ www.linuxidc.com]# grep -n "^[[:lower:]]" regular_express.txt
2:apple is my favorite food.
4:this dress doesn"t fit me.
10:motorcycle is cheap than car.
12:the symbol "*" is represented as start.
18:google is the best tools for search keyword.
19:goooooogle yes!
20:go! go! Let"s go.查询不是以英文开头的字符[root@ www.linuxidc.com]# grep -n "^[^a-zA-Z]" regular_express.txt
1:"Open Source" is a good mechanism to develop programs.
21:# I am VBird查询结尾是小数点的行的内容.[root@ www.linuxidc.com]# grep -n ".$" regular_express.txt
1:"Open Source" is a good mechanism to develop programs.
2:apple is my favorite food.
3:Football game is not use feet only.
4:this dress doesn"t fit me.
10:motorcycle is cheap than car.
11:This window is clear.
12:the symbol "*" is represented as start.
15:You are the best is mean you are the no. 1.
16:The world <Happy> is the same with "glad".
17:I like dog.
18:google is the best tools for search keyword.
20:go! go! Let"s go.查找“空白行”[root@ www.linuxidc.com]# grep -n "^$" regular_express.txt
22:通配符.和*的使用,.(小数点)代表一定有一个任意字符,*代表重复前一个到无穷多次的意思[root@ www.linuxidc.com]# grep -n "g..d" regular_express.txt
1:"Open Source" is a good mechanism to develop programs.
9:Oh! The soup taste good.
16:The world <Happy> is the same with "glad".查询出现任意数字的行列[root@ www.linuxidc.com]# grep -n "[0-9][0-9]*" regular_express.txt
5:However, this dress is about $ 3183 dollars.
15:You are the best is mean you are the no. 1. 查询出现两个o的字符串[root@ www.linuxidc.com]# grep -n "o{2}" regular_express.txt
1:"Open Source" is a good mechanism to develop programs.
2:apple is my favorite food.
3:Football game is not use feet only.
9:Oh! The soup taste good.
18:google is the best tools for search keyword.
19:goooooogle yes!查询出现2-5个o的字符串,后面在接一个g的字符串[root@ www.linuxidc.com]# grep -n "o{2,5}g" regular_express.txt
18:google is the best tools for search keyword.
19:goooooogle yes!
查询出现2个以上o的字符串,后面在接一个g的字符串[root@ www.linuxidc.com]# grep -n "o{2,}g" regular_express.txt
18:google is the best tools for search keyword.
19:goooooogle yes!grep使用简明及正则表达式  http://www.linuxidc.com/Linux/2013-08/88534.htmLinux下Shell编程——grep命令的基本运用 http://www.linuxidc.com/Linux/2013-06/85525.htmgrep 命令详解及相关事例 http://www.linuxidc.com/Linux/2014-07/104041.htmLinux基础命令之grep详解 http://www.linuxidc.com/Linux/2013-07/87919.htm设置grep高亮显示匹配项 http://www.linuxidc.com/Linux/2014-09/106871.htmLinux grep命令学习与总结 http://www.linuxidc.com/Linux/2014-10/108112.htm本文永久更新链接地址