Regular Expressions 101

Explanation

Pro

1st Alternative^.*? (?:VAN|VON|DE)\K

^start of line

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

the literal (32₁₀ / 40₈ / 20₁₆)

Non-Capturing Group(?:VAN|VON|DE)

1st AlternativeVAN

VANthe literal text VAN (case insensitive)

2nd AlternativeVON

VONthe literal text VON (case insensitive)

3rd AlternativeDE

DEthe literal text DE (case insensitive)

\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match

the literal (32₁₀ / 40₈ / 20₁₆)

2nd Alternative(?<!^)\G\w+\K

Negative Lookbehind(?<!^)

^start of line

\Gstart of current search

\w+any word character, repeated at least once

\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match

the literal (32₁₀ / 40₈ / 20₁₆)

Global pattern flags

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

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

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

^.*? (?:VAN|VON|DE)\K |(?<!^)\G\w+\K

New

ANNEKA VANHOVEN BAKKER
HENRIETTA VON DER GRAAF
CAROLINE VAN OOSTEN DE WINKEL
MARC DE VRIES VAN JONG
JOHN SMITH

ANNEKA VANHOVEN BAKKER
HENRIETTA VON DER GRAAF
CAROLINE VAN OOSTEN DE WINKEL
MARC DE VRIES VAN JONG
JOHN SMITH