Regular Expressions 101

1st Alternative(?<=\d)(?=[^\d\s])

Positive Lookbehind(?<=\d)

\da Unicode decimal digit

Positive Lookahead(?=[^\d\s])

Negated Character Class[^\d\s]

\da Unicode decimal digit

\sa Unicode whitespace character

2nd Alternative(?<=[^\d\s])(?=\d)

Positive Lookbehind(?<=[^\d\s])

Negated Character Class[^\d\s]

\da Unicode decimal digit

\sa Unicode whitespace character

Positive Lookahead(?=\d)

\da Unicode decimal digit

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

Regular Expression

(?<=\d)(?=[^\d\s])|(?<=[^\d\s])(?=\d)

New

0ABCD TECHNOLOGIES SERVICES
ABCD0 TECHNOLOGIES SERVICES
ABCD 0TECHNOLOGIES SERVICES
ABCD TECHNOLOGIES0 SERVICES
ABCD TECHNOLOGIES 0SERVICES
ABCD TECHNOLOGIES SERVICES0

Regular Expression

Extraction