Regular Expressions 101

Explanation

Pro

,the literal , (44₁₀ / 54₈ / 2C₁₆)

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

Group 1((?:(?!\sand\s)[^,])*)

Non-Capturing Group(?:(?!\sand\s)[^,])*

*repeats the group contents below any number of times:

Negative Lookahead(?!\sand\s)

\sa Unicode whitespace character

andthe literal text and (case sensitive)

\sa Unicode whitespace character

Negated Character Class[^,]

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Positive Lookahead(?=[^,]*$)

Negated Character Class[^,]*

*matches any number of characters outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

$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

,\s*((?:(?!\sand\s)[^,])*)(?=[^,]*$)

New

flat 1, tower block, 34 long road, Major city
flat 1, tower block, 34 long road, town and parking space
34 short road, village on the river and carpark (7X3 8RG)

Substitution

flat 1, tower block, 34 long road, Major city
flat 1, tower block, 34 long road, town and parking space
34 short road, village on the river and carpark (7X3 8RG)