regex101: PCRE (Legacy) Match Workspace

^start of line

Group FlightDesignator(?<FlightDesignator>([A-Z0-9]{2}[A-Z]?)([0-9]{3,4}))

Group 2([A-Z0-9]{2}[A-Z]?)

Character Class[A-Z0-9]{2}

{2}matches exactly 2 characters from the set below:

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

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Character Class[A-Z]?

?matches at most one character from the set below:

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

Group 3([0-9]{3,4})

Character Class[0-9]{3,4}

{3,4}matches between 3 and 4 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Group OperationalSuffix(?<OperationalSuffix>[A-Z])?

?repeats the group contents below at most once:

Character Class[A-Z]

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

Group FlightIdentifierDate(?<FlightIdentifierDate>\/(\d{2})([A-Z]{3})?(\d{2})?)?

?repeats the group contents below at most once:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 6(\d{2})

\d{2}a digit, repeated exactly 2 times

Group 7([A-Z]{3})?

?repeats the group contents below at most once:

Character Class[A-Z]{3}

{3}matches exactly 3 characters from the set below:

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

Group 8(\d{2})?

?repeats the group contents below at most once:

\d{2}a digit, repeated exactly 2 times

Group 9(\s(?<FlightLegsChangeIdentifier>(\/?[A-Z]{3})+)(?=(\s|$)))?

?repeats the group contents below at most once:

\sany whitespace character

Group FlightLegsChangeIdentifier(?<FlightLegsChangeIdentifier>(\/?[A-Z]{3})+)

Group 11(\/?[A-Z]{3})+

+repeats the group contents below at least once:

\/?optionally matches the literal / (47₁₀ / 57₈ / 2F₁₆)

Character Class[A-Z]{3}

{3}matches exactly 3 characters from the set below:

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

Positive Lookahead(?=(\s|$))

Group 12(\s|$)

1st Alternative\s

\sany whitespace character

2nd Alternative$

$end of line

Group 13(\s1(?<JointOperationAirlineDesignators>(\/.{2}[A-Z]?)+))?

?repeats the group contents below at most once:

\sany whitespace character

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

Group JointOperationAirlineDesignators(?<JointOperationAirlineDesignators>(\/.{2}[A-Z]?)+)

Group 15(\/.{2}[A-Z]?)+

+repeats the group contents below at least once:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

.{2}any character (except for line terminators), repeated exactly 2 times

Character Class[A-Z]?

?matches at most one character from the set below:

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

Group 16(\s3\/(?<AircraftOwner>([A-Z]{2}|.)))?

Group 19(\s4\/(?<CockpitCrewEmployer>(.+?)(?=(?: \d\/|$))))?

Group 22(\s5\/(?<CabinCrewEmployer>([A-Z]{2}|.)))?

Group OnwardFlight(?<OnwardFlight>\s6\/(([A-Z0-9]{2}[A-Z]?)([0-9]{3,4}))([A-Z])?(\/(\d{2})([A-Z]{3})?(\d{2})?)?)?

Group 34(\s7\/(?<MealServiceNote>(\/?[A-Z]{0,3})+))?

Group 37(\s9\/(?<OperatingAirlineDisclosure>(.{2}[A-Z]?)))?

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

Search reference

Regular Expression

^(?<FlightDesignator>([A-Z0-9]{2}[A-Z]?)([0-9]{3,4}))(?<OperationalSuffix>[A-Z])?(?<FlightIdentifierDate>\/(\d{2})([A-Z]{3})?(\d{2})?)?(\s(?<FlightLegsChangeIdentifier>(\/?[A-Z]{3})+)(?=(\s|$)))?(\s1(?<JointOperationAirlineDesignators>(\/.{2}[A-Z]?)+))?(\s3\/(?<AircraftOwner>([A-Z]{2}|.)))?(\s4\/(?<CockpitCrewEmployer>(.+?)(?=(?: \d\/|$))))?(\s5\/(?<CabinCrewEmployer>([A-Z]{2}|.)))?(?<OnwardFlight>\s6\/(([A-Z0-9]{2}[A-Z]?)([0-9]{3,4}))([A-Z])?(\/(\d{2})([A-Z]{3})?(\d{2})?)?)?(\s7\/(?<MealServiceNote>(\/?[A-Z]{0,3})+))?(\s9\/(?<OperatingAirlineDisclosure>(.{2}[A-Z]?)))?

Unit Tests

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