Regular Expression search of a PCAP file
3965
What special characters must be escaped in regular expressions?
138805
How can I search for a string containing a colon?
126141
Regular expression to match a word or its prefix
3336
I want to search a pattern from one file in another
54939
Regular expression: match start or whitespace
23063
search for a substring in file name with built in windows search
23494
How to make  grep display only the matching regexp?
14613
Regular expression to match DNS hostname or IP Address?
131663
How to parse a command line with regular expressions?
50383
How can I search for a multiline pattern in a file?
36228
Cheap way to search a large text file for a string
129110
How do you extract IP addresses from files using a regex in a linux shell?
101140
How can I find all matches to a regular expression in Python?
82022
Regular Expression for finding double characters in Bash
6950
Pattern matching multiple symbols names and powers
26518
how to find files containing a string using egrep
94281
How can I grep for a string containing regex metacharacters like $ and '?