-w, --word-regexp force PATTERN to match only whole words -x, --line-regexp force PATTERN to match only whole lines -z, --null-data a data line ends in 0 byte, not newline Miscellaneous: // 各种各样的 -s, --no-messages suppress error messages -v, --invert-match select non-...
--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 -v, --invert-matchselectnon-matching...
-w, --word-regexp force PATTERN to match only whole words:全字符匹配,即目标行中匹配正则范本的必须是一个完整的词 -x, --line-regexp force PATTERN to match only whole lines:整行匹配,要求目标行整行必须匹配正则范本 -z, --null-data a data line ends in 0 byte, not newline:以字节0而不...
-w, --word-regexp force PATTERN to match only whole words -x, --line-regexp force PATTERN to match only whole lines -z, --null-data a data line endsin0 byte, not newline Miscellaneous: -s, --no-messages suppress error messages -v, --invert-match select non-matching lines -V, ...
-w, --word-regexp force PATTERN to match only whole words 只匹配整个字符串 -x, --line-regexp force PATTERN to match only whole lines 只匹配整行 -z, --null-data a data line ends in 0 byte, not newline Miscellaneous: -s, --no-messages suppress error messages 控制错误信息 -v, -...
to match only whole words -x, --line-regexp force PATTERN to match only whole lines -z, --null-data a data line ends in 0 byte, not newline Miscellaneous: -s, --no-messages suppress error messages -v, --invert-match select non-matching lines -V, --...
在哪里, egrep: Grep will workwithextended regular expression. w : Matches only word/words insteadofsubstring. o : Display only matched pattern insteadofwhole line. i : If u want to ignorecasesensitivity.
-x, --line-regexp Select only those matches that exactly match thewhole line. (-x is specified by POSIX.) -y Obsolete(废弃) synonym(同义词) for -i. General Output Control -c, --count Suppress normal output; insteadprint a countof matching lines for each input file. With the-v, --...
-x, --line-regexp force PATTERN to match only whole lines -z, --null-data a data line ends in 0 byte, not newline Miscellaneous: -s, --no-messages suppress error messages -v, --invert-match select non-matching lines -V, --version display version information and exit ...
11. Why does the empty pattern match every input line? The grep command searches for lines that contain strings that match a pattern. Every line contains the empty string, so an empty pattern causes grep to find a match on each line. It is not the only such pattern: ‘^’, ‘$’, ...