Regular Expressions 101

^start of line

Group name(?<name>[A-Z][a-z]{3,7})

Character Class[A-Z]

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

Character Class[a-z]{3,7}

{3,7}matches between 3 and 7 characters from the set below:

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

Group 2(\s+(?<family>[A-Z][a-z]{2,}))?

?repeats the group contents below at most once:

\s+any whitespace character, repeated at least once

Group family(?<family>[A-Z][a-z]{2,})

Character Class[A-Z]

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

Character Class[a-z]{2,}

{2,}matches at least 2 characters from the set below:

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

Group 4(\s+(?<facultyNumber>\d{5,10}))?

?repeats the group contents below at most once:

\s+any whitespace character, repeated at least once

Group facultyNumber(?<facultyNumber>\d{5,10})

\d{5,10}a digit, repeated between 5 and 10 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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

^(?<name>[A-Z][a-z]{3,7})(\s+(?<family>[A-Z][a-z]{2,}))?(\s+(?<facultyNumber>\d{5,10}))?$

New

Valid All 12345
Valid Names
With 123456
Name
Invalid Faculcy 111111111111111
Invalid family 22222222
invalid Name 33333333
Verylongname Error
InvaliD Name 44444
Invalid FamilY 55555
Name12345
Long Familiiiiiiiiiiiiiiiii 12345