grep --extended-regexp --ignore-case "search_pattern" path/to/file - 【重要】Print 3 lines of context around, before, or after each match: grep --context|before-context|after-context=3 "search_pattern" path/to/file - 【重要】Print file name and line number for each match with color ...
grep provides a lot of features to match strings, patterns or regex in a given text. One of the most used feature is to match two or more, multiple string, patterns or regex. In this tutorial we will look different examples about these features. If you need more general tutorial about r...
It is not the only such pattern: ‘^’, ‘$’, ‘.*’, and many other patterns cause grep to match every line. To match empty lines, use the pattern ‘^$’. To match blank lines, use the pattern ‘^[[:blank:]]*$’. 即,grep 命令认为每一行都包含空字符串,所以提供的匹配模式为...
PATTERNS can contain multiple patterns separated by newlines. Pattern selection and interpretation: -E, --extended-regexp PATTERNS are extended regular expressions -F, --fixed-strings PATTERNS are strings -G, --basic-regexp PATTERNS are basic regular expressions -P, --perl-regexp PATTERNS are Pe...
This option is most useful when multiple-eoptions are used to specify multiple patterns, or when a pattern begins with a dash (`-'). --exclude If specified, it excludes files matching the given filename pat- tern from the search.Note that--excludepatterns take priority ...
Use PATTERN as the pattern. This can be used to specify multiple search patterns, or to protect a pattern beginning with a hyphen (-). 即,在 -e 选项后面的 PATTERN 参数会被当成要匹配的模式字符串,提供多个 -e 选项就能匹配多个模式字符串。
aLECHE HIDRATANTE 牛奶HIDRATANTE[translate] aExtended grep: Allows for multiple patterns 延长的grep : 考虑到多个样式[translate]
If this option is used multiple times or is combined with the -f (--file) option, search for all patterns given. This option can be used to protect a pattern beginning with “-”. -f FILE, --file=FILE Obtain patterns from FILE, one per line. If this option is used multiple ...
Search for patterns from the given file, with one pattern per line. (This option can be provided multiple times.) -g <GLOB>..., --glob <GLOB>... Include or exclude files and directories for searching that match the given glob.(This option can be provided multiple times.) ...
Use PATTERN as the pattern. If this option is used multiple times or is combined with the -f (--file) option, search for all patterns given. This option can be used to protect a pattern beginning with “-”. 使用模式作为模式。如果此选项多次使用或与-f (- file)选项组合使用,则搜索给定...