Regular Expressions 101

Explanation

Pro

^start of line

Character Class[\w\W]+?

+?matches at least one character from the set below:

\wany word character

\Wany non-word character

Positive Lookahead(?=(c.*\.bin))

Group 1(c.*\.bin)

cthe literal c (99₁₀ / 143₈ / 63₁₆) (case sensitive)

.*any character (except for line terminators), repeated any number of times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

binthe literal text bin (case sensitive)

\1the text saved by group 1

$end of line

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

^[\w\W]+?(?=(c.*\.bin))\1$

New

1  -rw-    95890300  May 24 2015 11:27:22 +00:00  c2900-universalk9-mz.SPA.153-3.M5.bin
2  -rw-    68569216   Feb 8 2019 20:15:26 +00:00  c3900e-universalk9-mz.SPA.151-4.M10.bin
3  -rw-       46880  Oct 25 2017 19:08:56 +00:00  pdcamadeusrtra-cfg
4  -rw-         600   Feb 1 2019 19:36:44 +00:00  vlan.dat