Regular Expressions 101

Pro

Group lastname(?<lastname>[A-Za-z]+)

Character Class[A-Za-z]+

+matches at least one character from the set below:

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

Non-Capturing Group(?:,\s)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\sany whitespace character

Group firstname(?<firstname>[A-Za-z]+)

Character Class[A-Za-z]+

+matches at least one character from the set below:

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

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.

26 tokens

(?<lastname>[A-Za-z]+)(?:,\s)(?<firstname>[A-Za-z]+)

New

Doe, Jane
Doe, John
Doe, Joseph

$<firstname> $<lastname>

Doe, Jane
Doe, John
Doe, Joseph