regex101: PCRE (Legacy) Match Workspace

Non-Capturing Group(?:\s|\\n\\n)*

*repeats the group contents below any number of times:

1st Alternative\s

\sany whitespace character

2nd Alternative\\n\\n

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

Group subject(?<subject>\S+(?:\s[IVX]+\.?)?)

\S+any non-whitespace character, repeated at least once

Non-Capturing Group(?:\s[IVX]+\.?)?

?repeats the group contents below at most once:

\sany whitespace character

Character Class[IVX]+

+matches at least one character from the set below:

Ithe literal I (73₁₀ / 111₈ / 49₁₆) (case sensitive)

Vthe literal V (86₁₀ / 126₈ / 56₁₆) (case sensitive)

Xthe literal X (88₁₀ / 130₈ / 58₁₆) (case sensitive)

\.?optionally matches the literal . (46₁₀ / 56₈ / 2E₁₆)

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

+repeats the group contents below at least once:

1st Alternative\s

\sany whitespace character

2nd Alternative\\n\\n

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

Group teacher(?<teacher>\S+)

\S+any non-whitespace character, repeated at least once

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

+repeats the group contents below at least once:

1st Alternative\s

\sany whitespace character

2nd Alternative\\n\\n

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

Group room(?<room>\S+)

\S+any non-whitespace character, repeated at least once

Non-Capturing Group(?:\s|\\n\\n)*

*repeats the group contents below any number of times:

1st Alternative\s

\sany whitespace character

2nd Alternative\\n\\n

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

Global pattern flags

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

Search reference

Regular Expression

(?:\s|\\n\\n)*(?<subject>\S+(?:\s[IVX]+\.?)?)(?:\s|\\n\\n)+(?<teacher>\S+)(?:\s|\\n\\n)+(?<room>\S+)(?:\s|\\n\\n)*

Unit Tests

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