Regular Expressions 101

Explanation

Pro

\ban ASCII word boundary

Negative Lookahead(?!\d{5}\b)

\d{5}a digit, repeated exactly 5 times

\ban ASCII word boundary

\d+a digit, repeated at least once

\ban ASCII word boundary

Non-Capturing Group(?:\s*\w\b)?

?repeats the group contents below at most once:

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

\wany word character

\ban ASCII word boundary

Positive Lookahead(?=\D*\b\d{5}\b|\D*$)

1st Alternative\D*\b\d{5}\b

\D*any character that's not a digit, repeated any number of times

\ban ASCII word boundary

\d{5}a digit, repeated exactly 5 times

\ban ASCII word boundary

2nd Alternative\D*$

\D*any character that's not a digit, repeated any number of times

$end of line

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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

\b(?!\d{5}\b)\d+\b(?:\s*\w\b)?(?=\D*\b\d{5}\b|\D*$)

New

    32 Rue Jean Jaures 69000 Lyon
    Bâtiment 1 32 Rue Jean Jaures 69000 Lyon
    32 B Jean Jaures 69000 Lyon
    Bâtiment 1 32 B Rue Jean Jaures 69000 Lyon

Extraction

    32 Rue Jean Jaures 69000 Lyon
    Bâtiment 1 32 Rue Jean Jaures 69000 Lyon
    32 B Jean Jaures 69000 Lyon
    Bâtiment 1 32 B Rue Jean Jaures 69000 Lyon