regex101: PCRE (Legacy) Match Workspace

Pro

Definition Group(?(DEFINE)(?'a'((eyr:20(2[0-9]|30))|(hcl:#[0-9a-f]{6})|(ecl:(amb|blu|brn|gry|grn|hzl|oth))|(hgt:(((59|6[0-9]|7[0-6])in)|((1[5-8][0-9]|19[0-3])cm)))|(iyr:20(1[0-9]|20))|(byr:(19[2-9][0-9]|200[0-2]))|(pid:\d{9})))(?'b'([ \n]|$)))

Group a(?'a'((eyr:20(2[0-9]|30))|(hcl:#[0-9a-f]{6})|(ecl:(amb|blu|brn|gry|grn|hzl|oth))|(hgt:(((59|6[0-9]|7[0-6])in)|((1[5-8][0-9]|19[0-3])cm)))|(iyr:20(1[0-9]|20))|(byr:(19[2-9][0-9]|200[0-2]))|(pid:\d{9})))

Group 2((eyr:20(2[0-9]|30))|(hcl:#[0-9a-f]{6})|(ecl:(amb|blu|brn|gry|grn|hzl|oth))|(hgt:(((59|6[0-9]|7[0-6])in)|((1[5-8][0-9]|19[0-3])cm)))|(iyr:20(1[0-9]|20))|(byr:(19[2-9][0-9]|200[0-2]))|(pid:\d{9}))

1st Alternative(eyr:20(2[0-9]|30))

Group 3(eyr:20(2[0-9]|30))

eyr:20the literal text eyr:20 (case sensitive)

Group 4(2[0-9]|30)

1st Alternative2[0-9]

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

Character Class[0-9]

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

2nd Alternative30

30the literal text 30

2nd Alternative(hcl:#[0-9a-f]{6})

Group 5(hcl:#[0-9a-f]{6})

hcl:#the literal text hcl:# (case sensitive)

Character Class[0-9a-f]{6}

{6}matches exactly 6 characters from the set below:

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

3rd Alternative(ecl:(amb|blu|brn|gry|grn|hzl|oth))

Group 6(ecl:(amb|blu|brn|gry|grn|hzl|oth))

ecl:the literal text ecl: (case sensitive)

Group 7(amb|blu|brn|gry|grn|hzl|oth)

1st Alternativeamb

ambthe literal text amb (case sensitive)

2nd Alternativeblu

bluthe literal text blu (case sensitive)

3rd Alternativebrn

brnthe literal text brn (case sensitive)

4th Alternativegry

grythe literal text gry (case sensitive)

5th Alternativegrn

grnthe literal text grn (case sensitive)

6th Alternativehzl

hzlthe literal text hzl (case sensitive)

7th Alternativeoth

oththe literal text oth (case sensitive)

4th Alternative(hgt:(((59|6[0-9]|7[0-6])in)|((1[5-8][0-9]|19[0-3])cm)))

Group 8(hgt:(((59|6[0-9]|7[0-6])in)|((1[5-8][0-9]|19[0-3])cm)))

hgt:the literal text hgt: (case sensitive)

Group 9(((59|6[0-9]|7[0-6])in)|((1[5-8][0-9]|19[0-3])cm))

1st Alternative((59|6[0-9]|7[0-6])in)

2nd Alternative((1[5-8][0-9]|19[0-3])cm)

5th Alternative(iyr:20(1[0-9]|20))

6th Alternative(byr:(19[2-9][0-9]|200[0-2]))

7th Alternative(pid:\d{9})

Group b(?'b'([ \n]|$))

Group 21((((?P>a)(?P>b)){7})|(((?P>a)|(cid:\d+))(?P>b)){8})

Group 27(\n\n|$)

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

(?(DEFINE)(?'a'((eyr:20(2[0-9]|30))|(hcl:#[0-9a-f]{6})|(ecl:(amb|blu|brn|gry|grn|hzl|oth))|(hgt:(((59|6[0-9]|7[0-6])in)|((1[5-8][0-9]|19[0-3])cm)))|(iyr:20(1[0-9]|20))|(byr:(19[2-9][0-9]|200[0-2]))|(pid:\d{9})))(?'b'([ \n]|$)))((((?P>a)(?P>b)){7})|(((?P>a)|(cid:\d+))(?P>b)){8})(\n\n|$)

Unit Tests

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