Regular Expressions 101

^start of line

Group name(?P<name>[\w\s]+)

Character Class[\w\s]+

+matches at least one character from the set below:

\wany word character

\sany whitespace character

Non-Capturing Group(?: <(?P<email>[^>]+)>)?

?repeats the group contents below at most once:

<the literal text <

Group email(?P<email>[^>]+)

Negated Character Class[^>]+

+matches at least one character outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

$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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^(?P<name>[\w\s]+)(?: <(?P<email>[^>]+)>)?$

New

John Doe <john.doe@example.com>
John Doe <john.doe!!!???äöu@exämple.com>

John Doe<john.doe@example.com>
 <john.doe@example.com>
john.doe@example.com
John Doe john.doe@example.com

Regular Expression

Extraction