Regular Expressions 101

Pro

1st Alternative\bjava(?:\.\w+)+(*SKIP)(*FAIL)

\ban ASCII word boundary

javathe literal text java (case sensitive)

Non-Capturing Group(?:\.\w+)+

+repeats the group contents below at least once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\w+any word character, repeated at least once

(*SKIP)acts like (*PRUNE), but the next unanchored match attempt starts where (*SKIP) was reached instead of at the next subject character

(*FAIL)forces the current match attempt to fail at this position

2nd Alternative(?<!/)\b\w+(?:\.\w+)+

Negative Lookbehind(?<!/)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\ban ASCII word boundary

\w+any word character, repeated at least once

Non-Capturing Group(?:\.\w+)+

+repeats the group contents below at least once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\w+any word character, repeated at least once

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

\bjava(?:\.\w+)+(*SKIP)(*FAIL)|(?<!/)\b\w+(?:\.\w+)+

test string (test.url.com) abcdef java.lang.Assertion uvwxyz www.google.com abcdef

another test string /abc/xyz/lib/def/GH.tr test 200.

test string (test.url.com) abcdef java.lang.Assertion uvwxyz www.google.com abcdef

another test string /abc/xyz/lib/def/GH.tr test 200.