Regular Expressions 101

^start of line

Group 1([A-Z]|[a-z]|\s)+

+repeats the group contents below at least once:

1st Alternative[A-Z]

Character Class[A-Z]

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

2nd Alternative[a-z]

Character Class[a-z]

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

3rd Alternative\s

\sany whitespace character

Group 2(,\s*(Jr\.|Sr\.|[IV]*))?

?repeats the group contents below at most once:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

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

Group 3(Jr\.|Sr\.|[IV]*)

1st AlternativeJr\.

Jrthe literal text Jr (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

2nd AlternativeSr\.

Srthe literal text Sr (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

3rd Alternative[IV]*

Character Class[IV]*

*matches any number of characters from the set below:

Ithe literal I (73₁₀ / 111₈ / 49₁₆) (case sensitive)

Vthe literal V (86₁₀ / 126₈ / 56₁₆) (case sensitive)

$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

^([A-Z]|[a-z]|\s)+(,\s*(Jr\.|Sr\.|[IV]*))?$

Test String
New

 John Smith, Jr.
Winn Thomas
 Mary 3llen Jones     
Clyde Franklin, III
wallace firt, the
wimbobimbo ff       , VIVIVVVVIIIVIIVVI
s f asdf s dfFASFSf dsf saf sFD s faS fdy t sg , Sr.

Regular Expression

Test StringNew

Test String
New