Regular Expressions 101

Pro

Group keys(?P<keys>\d+)

\d+a Unicode decimal digit, repeated at least once

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

Non-Capturing Group(?:=\s*)?

?repeats the group contents below at most once:

=the literal = (61₁₀ / 75₈ / 3D₁₆)

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

Group values(?P<values>.*?)

.*?any Unicode character (except for line terminators), repeated any number of times

Positive Lookahead(?=\s*(?:,\s*)?(?:\d|\Z))

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

Non-Capturing Group(?:,\s*)?

?repeats the group contents below at most once:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

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

Non-Capturing Group(?:\d|\Z)

1st Alternative\d

\da Unicode decimal digit

2nd Alternative\Z

\Zend of string

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

(?P<keys>\d+)\s*(?:=\s*)?(?P<values>.*?)(?=\s*(?:,\s*)?(?:\d|\Z))

New

Value names:  0 = Something, 1 = Something, else, 4 = A value, 5 = BAD - enough, 6 GOOD, 7 = Ugly,