RegEx matching for non-IP addresses lines
1177
Regular expression to match a line that doesn't contain a word
134297
Need a regex to exclude certain strings
133985
How to filter IPv4 and IPv6 addresses?
94082
Is it possible to pad integers with zeros using regular expressions?
18002
How to filter ranges of IP addresses?
2559
Is there a regular expression to detect a valid regular expression?
91206
Regexp recognition of email address hard?
94738
Non-greedy match with SED regex (emulate perl's .*?)
73135
How to validate IP address in Python?
70085
Grepping logs for IP addresses
47836
Regular expression for recognizing url
60826
Regular expression matching a multiline block of text
91324
Check whether an IP belongs to a specific range
83564
How to grep lines which does not begin with "#" or ";"?
74038
How do I grep for multiple patterns on multiple lines?
118689
ip address "@" (at) in output
43339
Regular expression to match non-ASCII characters?