Regular Expressions 101

Pro

%the literal % (37₁₀ / 45₈ / 25₁₆)

Group hash_string(?P<hash_string>[a-zA-Z_]+)

Character Class[a-zA-Z_]+

+matches at least one character from the set below:

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

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

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

\s?optionally matches a Unicode whitespace character

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Non-Capturing Group(?:\s+)?

?repeats the group contents below at most once:

\s+a Unicode whitespace character, repeated at least once

Group hash_value(?P<hash_value>\(.*?\))

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

.*?any Unicode character, repeated any number of times

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Global pattern flags

s modifier: single line. Allows a dot to match line terminators

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

25 tokens

%(?P<hash_string>[a-zA-Z_]+)\s?=(?:\s+)?(?P<hash_value>\(.*?\))

New

%some_hash = 
(
...
)

%some_other_hash = 
(
...
)

%some_hash = 
(
...
)

%some_other_hash = 
(
...
)