匹配整个单词(Match Whole Word) By default given search term or string is looked partially or on whole words. If we need to match whole word which is surrounded by white spaces we should put white spaces around the search term. We will search case search term as a whole word. 默认情况下...
-i:不区分大小写,也可以使用--ignore-case长选项 -E:支持ERE(扩展的正则表达式),相当于egrep -r: 连带文件夹以下目录也查找,即递归查找 -f, --file=FILE obtain PATTERN from FILE -w, --word-regexp force PATTERN to match only whole words -z, --null-data a data line ends in 0 byte, not ...
Word-constituent characters are letters, digits, and the underscore. This option has no effect if -x is also specified. -x, --line-regexp Select only those matches that exactly match the whole line. For a regular expression pattern, this is like parenthesizing the pattern and then ...
反向匹配:invert match shell grep -v word greptxt.txt 123 匹配找不到指定单词的行 -w 单词正则表达式:word regexp shell grep -w word greptxt.txt whole word word abc abc word abc word*abc asd word* 匹配完整的单词,单词理解为:行首、行尾或行中,前后都不是单词字符(即字符、数字、下划线)...
grep用户指南说明书
--no-ignore-casedonot ignorecasedistinctions(default)-w, --word-regexp match only whole words -x, --line-regexp match only whole lines -z, --null-data a data line ends in0byte, not newline Miscellaneous: -s, --no-messages suppress error messages ...
-w, --word-regexp force PATTERN to match only whole words (、 摘要:缺陷是这个只要匹配(file1字符串包含file2)就行,而不是全部相等 例子:file1: 1 ww 2 mm 3 df 4 df 5 sf 6 as 7 jk 8 mk a kl b lk c kk d ll file2:
-w, --word-regexp force PATTERN to match only whole words g r e p一般格式为: CODE:grep [选项]基本正则表达式[文件] 这里基本正则表达式可为字符串。 单引号双引号 在g r e p命令中输入字符串参数时,最好将其用双引号括起来。 在调用模式匹配时,应使用单引号。
37: Fourth match Improved-woption The-woption, which tells ack to only find whole-word matches, did not always work if your pattern began or ended with puncutation. ack would make guesses as to what your intent was, but it was not well-defined. Now, ack disallows regexes that begin ...
-w, --word-regexp force PATTERN to match only whole words -i, --ignore-case ignore case distinctions 2,搜索不以".o"结尾的文件名 find . -type f ! -name "*.o" find . -regextype posix-extended -regex ".*\.[^o]\>" 3,搜索不以".o"或".a"结尾的文件名 ...