regex101: Troy

Pro

1st Alternative(?:[M|m](?:edical|EDICAL|rn|RN|r|R)|[P|p](?:atient|ATIENT))(?:\s+(?:record|Record|RECORD))?(?:\s+(?:id|identification|name|no|number|Id|Identification|Name|No|Number|ID|IDENTIFICATION|NAME|NO|NUMBER))?(?:[\s#]*)?0(?!0{7})\d{7}\b

Non-Capturing Group(?:[M|m](?:edical|EDICAL|rn|RN|r|R)|[P|p](?:atient|ATIENT))

1st Alternative[M|m](?:edical|EDICAL|rn|RN|r|R)

Character Class[M|m]

Mthe literal M (77₁₀ / 115₈ / 4D₁₆) (case sensitive)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

mthe literal m (109₁₀ / 155₈ / 6D₁₆) (case sensitive)

Non-Capturing Group(?:edical|EDICAL|rn|RN|r|R)

1st Alternativeedical

edicalthe literal text edical (case sensitive)

2nd AlternativeEDICAL

EDICALthe literal text EDICAL (case sensitive)

3rd Alternativern

rnthe literal text rn (case sensitive)

4th AlternativeRN

RNthe literal text RN (case sensitive)

5th Alternativer

rthe literal r (114₁₀ / 162₈ / 72₁₆) (case sensitive)

6th AlternativeR

Rthe literal R (82₁₀ / 122₈ / 52₁₆) (case sensitive)

2nd Alternative[P|p](?:atient|ATIENT)

Character Class[P|p]

Pthe literal P (80₁₀ / 120₈ / 50₁₆) (case sensitive)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

pthe literal p (112₁₀ / 160₈ / 70₁₆) (case sensitive)

Non-Capturing Group(?:atient|ATIENT)

1st Alternativeatient

atientthe literal text atient (case sensitive)

2nd AlternativeATIENT

ATIENTthe literal text ATIENT (case sensitive)

Non-Capturing Group(?:\s+(?:record|Record|RECORD))?

?repeats the group contents below at most once:

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

Non-Capturing Group(?:record|Record|RECORD)

1st Alternativerecord

recordthe literal text record (case sensitive)

2nd AlternativeRecord

Recordthe literal text Record (case sensitive)

3rd AlternativeRECORD

RECORDthe literal text RECORD (case sensitive)

?repeats the group contents below at most once:

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

1st Alternativeid

idthe literal text id (case sensitive)

2nd Alternativeidentification

identificationthe literal text identification (case sensitive)

3rd Alternativename

4th Alternativeno

5th Alternativenumber

6th AlternativeId

7th AlternativeIdentification

8th AlternativeName

9th AlternativeNo

10th AlternativeNumber

11th AlternativeID

12th AlternativeIDENTIFICATION

13th AlternativeNAME

14th AlternativeNO

15th AlternativeNUMBER

Non-Capturing Group(?:[\s#]*)?

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Negative Lookahead(?!0{7})

\d{7}a Unicode decimal digit, repeated exactly 7 times

\ba Unicode word boundary

2nd Alternative\b0(?!0{7})\d{7}\s*(?:[M|m](?:edical|EDICAL|r|R|rn|RN)|[P|p](?:atient|ATIENT))(?:\s+(?:record|Record|RECORD))?(?:\s+(?:id|name|no|number|Id|Name|No|Number|ID|NAME|NO|NUMBER))?\b

Global pattern flags

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

25 tokens

Regular Expression

(?:[M|m](?:edical|EDICAL|rn|RN|r|R)|[P|p](?:atient|ATIENT))(?:\s+(?:record|Record|RECORD))?(?:\s+(?:id|identification|name|no|number|Id|Identification|Name|No|Number|ID|IDENTIFICATION|NAME|NO|NUMBER))?(?:[\s#]*)?0(?!0{7})\d{7}\b|\b0(?!0{7})\d{7}\s*(?:[M|m](?:edical|EDICAL|r|R|rn|RN)|[P|p](?:atient|ATIENT))(?:\s+(?:record|Record|RECORD))?(?:\s+(?:id|name|no|number|Id|Name|No|Number|ID|NAME|NO|NUMBER))?\b

Unit Tests

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