Regular Expressions 101

1st Alternative[A-Z][a-z]+(?:[ -][A-Z][a-z]+)*

Character Class[A-Z]

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

Character Class[a-z]+

+matches at least one character from the set below:

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

Non-Capturing Group(?:[ -][A-Z][a-z]+)*

*repeats the group contents below any number of times:

Character Class[ -]

the literal (32₁₀ / 40₈ / 20₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[A-Z]

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

Character Class[a-z]+

+matches at least one character from the set below:

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

2nd Alternative\w+

\w+a Unicode word character, repeated at least once

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]+(?:[ -][A-Z][a-z]+)*|\w+

New

Multi-Criteria Decision Making (MCDM) is increasingly used in RE projects.