regex101: PCRE (Legacy) Match Workspace

Pro

1st Alternative((?:\bcase\b\s*[\s\S]*?)\Kbreak($|\s|;?)[1-9]?($?)+;)

Group 1((?:\bcase\b\s*[\s\S]*?)\Kbreak($|\s|;?)[1-9]?($?)+;)

Non-Capturing Group(?:\bcase\b\s*[\s\S]*?)

\ban ASCII word boundary

casethe literal text case (case sensitive)

\ban ASCII word boundary

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

Character Class[\s\S]*?

*?matches any number of characters from the set below:

\sany whitespace character

\Sany non-whitespace character

\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match

breakthe literal text break (case sensitive)

Group 2(\(|\s|;?)

1st Alternative\(

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

2nd Alternative\s

\sany whitespace character

3rd Alternative;?

;?optionally matches the literal ; (59₁₀ / 73₈ / 3B₁₆)

Character Class[1-9]?

?matches at most one character from the set below:

1-9one character from 1 (49₁₀) to 9 (57₁₀)

Group 3(\)?)+

+repeats the group contents below at least once:

\)?optionally matches the literal ) (41₁₀ / 51₈ / 29₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

2nd Alternative((?:\bdefault\b\s*[\s\S]*?)\Kbreak($|\s|;?)[1-9]?($?)+;)

Group 4((?:\bdefault\b\s*[\s\S]*?)\Kbreak($|\s|;?)[1-9]?($?)+;)

Non-Capturing Group(?:\bdefault\b\s*[\s\S]*?)

\ban ASCII word boundary

defaultthe literal text default (case sensitive)

\ban ASCII word boundary

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

Character Class[\s\S]*?

*?matches any number of characters from the set below:

\sany whitespace character

\Sany non-whitespace character

\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match

breakthe literal text break (case sensitive)

Group 5(\(|\s|;?)

1st Alternative\(

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

2nd Alternative\s

\sany whitespace character

3rd Alternative;?

;?optionally matches the literal ; (59₁₀ / 73₈ / 3B₁₆)

Character Class[1-9]?

?matches at most one character from the set below:

1-9one character from 1 (49₁₀) to 9 (57₁₀)

Group 6(\)?)+

+repeats the group contents below at least once:

\)?optionally matches the literal ) (41₁₀ / 51₈ / 29₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

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

25 tokens

Regular Expression

((?:\bcase\b\s*[\s\S]*?)\Kbreak(\(|\s|;?)[1-9]?(\)?)+;)|((?:\bdefault\b\s*[\s\S]*?)\Kbreak(\(|\s|;?)[1-9]?(\)?)+;)

Unit Tests

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