Regular Expressions 101

Explanation

Pro

Group 1((r|🇷)+)

Group 2(r|🇷)+

+repeats the group contents below at least once:

1st Alternativer

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

2nd Alternative🇷

🇷the literal 🇷 (127479₁₀ / 370767₈ / 1F1F7₁₆)

Group 3(( |\n)*)

Group 4( |\n)*

*repeats the group contents below any number of times:

1st Alternative

the literal (32₁₀ / 40₈ / 20₁₆)

2nd Alternative\n

\na line-feed (newline) character (ASCII 10)

Group 5((🇪|e)+)

Group 6(🇪|e)+

+repeats the group contents below at least once:

1st Alternative🇪

🇪the literal 🇪 (127466₁₀ / 370752₈ / 1F1EA₁₆)

2nd Alternativee

ethe literal e (101₁₀ / 145₈ / 65₁₆) (case sensitive)

Group 7(( |\n)*)

Group 8( |\n)*

*repeats the group contents below any number of times:

1st Alternative

the literal (32₁₀ / 40₈ / 20₁₆)

2nd Alternative\n

\na line-feed (newline) character (ASCII 10)

Group 9((p|🇵)+)

Group 10(p|🇵)+

+repeats the group contents below at least once:

1st Alternativep

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

2nd Alternative🇵

🇵the literal 🇵 (127477₁₀ / 370765₈ / 1F1F5₁₆)

Group 11(( |\n)*)

Group 12( |\n)*

*repeats the group contents below any number of times:

1st Alternative

the literal (32₁₀ / 40₈ / 20₁₆)

2nd Alternative\n

\na line-feed (newline) character (ASCII 10)

Group 13((🇴|o|O)+)

Group 14(🇴|o|O)+

Group 15(( |\n)*)

Group 17((🇸|s)+)

Group 19(( |\n)*)

Group 21((t|🇹)+)

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

Unit Test Summary

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Quick Reference

25 tokens

Regular Expression

((r|🇷)+)(( |\n)*)((🇪|e)+)(( |\n)*)((p|🇵)+)(( |\n)*)((🇴|o|O)+)(( |\n)*)((🇸|s)+)(( |\n)*)((t|🇹)+)

Unit Tests

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