Regular Expressions 101

Explanation

Pro

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

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Non-Capturing Group(?:[^.\/]*\.){3}

{3}repeats the group contents below exactly 3 times:

Negated Character Class[^.\/]*

*matches any number of characters outside the set below:

.the literal . (46₁₀ / 56₈ / 2E₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group value(?<value>[^.\/]*)

Negated Character Class[^.\/]*

*matches any number of characters outside the set below:

.the literal . (46₁₀ / 56₈ / 2E₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negated Character Class[^\/]*

*matches any number of characters outside the set below:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

$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

.*\/(?:[^.\/]*\.){3}(?<value>[^.\/]*)[^\/]*$

New

/apps/java/logs/abc.defgh.ijk.lm.nopqrst.uvw.xyz.log
/apps2/java/logs/abc.defgh.ijk.lm.log

/apps/java/logs/abc.defgh.ijk.lm.nopqrst.uvw.xyz.log
/apps2/java/logs/abc.defgh.ijk.lm.log