All Questions
Tagged with quoting regular-expression
52
questions
228
votes
7
answers
723k
views
Using sed to find and replace complex string (preferrably with regex)
I have a file with the following contents:
<username><![CDATA[name]]></username>
<password><![CDATA[password]]></password>
<dbname><![CDATA[name]]></...
- 2,547
3
votes
1
answer
192
views
find utility does not recognize bracket notation
I've two files in the current folder:
submitWeb.m
submit.m
the following find does not show the two files:
find . -regex .*submit\(Web\)?\.m
But the above regex expression works fine in emacs ...
- 361
4
votes
2
answers
56k
views
How to tell grep to match special character at beginning of each word [duplicate]
I have certain questions regarding grep.
Why does the following command match '<Hello'?
$ grep -E "\<H" test
Hello World
<Hello
H<ello
What needs to be done to match '<Hello' only?
- 4,408
1
vote
2
answers
3k
views
Weird zsh grep -P behaviour
I connect to server with PuTTY from Windows.
I have a long yet not touched (I suppose) by hands of local admin config:
$ cat /opt/jira/.subversion/config
...
### must be enabled, which is ...
- 144
806
votes
13
answers
1.8m
views
How do I grep for multiple patterns with pattern having a pipe character?
I want to find all lines in several files that match one of two patterns. I tried to find the patterns I'm looking for by typing
grep (foo|bar) *.txt
but the shell interprets the | as a pipe and ...
- 9,532
13
votes
2
answers
13k
views
Number of backslashes needed for escaping regex backslash on the command-line
I recently had trouble with some regex on the command-line, and
found that for matching a backslash, different numbers of
characters can be used. This number depends on the quoting used for
the regex (...
- 9,557
57
votes
2
answers
114k
views
grep and escaping a dollar sign
I want to know which files have the string $Id$.
grep \$Id\$ my_dir/mylist_of_files
returns 0 occurrences.
I discovered that I have to use
grep \$Id$ my_dir/mylist_of_files
Then I see that the $...
- 4,185