Regular Expressions 101

Pro

1st Alternative.*\.error\..*

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

errorthe literal text error (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

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

2nd Alternative^second.*\.log$

^start of line

secondthe literal text second (case sensitive)

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

logthe literal text log (case sensitive)

$end of line

3rd Alternative.*FF[Pp][Cc]\.log$

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

FFthe literal text FF (case sensitive)

Character Class[Pp]

Pthe literal P (80₁₀ / 120₈ / 50₁₆) (case sensitive)

pthe literal p (112₁₀ / 160₈ / 70₁₆) (case sensitive)

Character Class[Cc]

Cthe literal C (67₁₀ / 103₈ / 43₁₆) (case sensitive)

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

logthe literal text log (case sensitive)

$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

Detailed match information will be displayed here automatically.

25 tokens

.*\.error\..*|^second.*\.log$|.*FF[Pp][Cc]\.log$

New

first.error.log
second1.log
second2.log
FFFpc.log
TR.den.log
bla.error.log

first.error.log
second1.log
second2.log
FFFpc.log
TR.den.log
bla.error.log