grep unexpected behavior when [0-9] pattern is given on ubuntu
32028
When is double-quoting necessary?
116155
What does "xargs grep" do?
139204
Why do numeric string comparisons give unexpected results?
117475
How to grep for contents after pattern?
104336
(Ubuntu/Linux)"find" command gives different results based on quotation marks
119446
How to zero pad numbers in file names in Bash?
111843
How do I grep for all non-ASCII characters?
158024
How to run grep on a single column?
94082
Is it possible to pad integers with zeros using regular expressions?
95065
Grep -H not always returning file path when two matches are on the same line
10632
sed regular expression behaving differently than in vim and perl?
71795
What does the Bash operator <<< (i.e. triple less than sign) mean?
14398
How to grep-inverse-match and exclude "before" and "after" lines
119870
Why does grep not work with redirection?
9011
R regular expressions: unexpected behavior of "[:digit:]"
123684
Test for non-zero length string in Bash: [ -n "$var" ] or [ "$var" ]
33193
Grep: unexpected results when searching for words in heading from man page