regex101: Python Match Workspace

Pro

\ba Unicode word boundary

Negative Lookbehind(?<!@)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

\da Unicode decimal digit

Non-Capturing Group(?:\s*\d){5}

{5}repeats the group contents below exactly 5 times:

\s*a Unicode whitespace character, repeated any number of times

\da Unicode decimal digit

\ba Unicode word boundary

Negative Lookahead(?!@)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

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

25 tokens

Regular Expression

\b(?<!@)\d(?:\s*\d){5}\b(?!@)

New

209 016 - should be come up in search result and as 400013(space removed)

209016 - should also come up in search and unaltered as 209016

any numeric string more then 6 digits long should not come up in search eg 20901677,209016@223123, 29016,

Extraction

209 016 - should be come up in search result and as 400013(space removed)

209016 - should also come up in search and unaltered as 209016

any numeric string more then 6 digits long should not come up in search eg 20901677,209016@223123, 29016,