Regular Expressions 101

Pro

Negative Lookbehind(?<![^.\s])

Negated Character Class[^.\s]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

\sany whitespace character

\w+any word character, repeated at least once

Negative Lookahead(?!\S)

\Sany non-whitespace character

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

(?<![^.\s])\w+(?!\S)

New

test.output0	testx.output1	output3 testds.output2

test.output0	testx.output1	output3 testds.output2