Regular Expressions 101

+repeats the group contents below at least once:

1st Alternativeabcd

abcdthe literal text abcd (case insensitive)

2nd Alternativebcde

bcdethe literal text bcde (case insensitive)

3rd Alternativecdef

cdefthe literal text cdef (case insensitive)

4th Alternativedefg

defgthe literal text defg (case insensitive)

5th Alternativeefgh

efghthe literal text efgh (case insensitive)

6th Alternativefghi

fghithe literal text fghi (case insensitive)

7th Alternativeghij

ghijthe literal text ghij (case insensitive)

8th Alternativehijk

hijkthe literal text hijk (case insensitive)

9th Alternativeijkl

ijklthe literal text ijkl (case insensitive)

10th Alternativejklm

jklmthe literal text jklm (case insensitive)

11th Alternativeklmn

klmnthe literal text klmn (case insensitive)

12th Alternativelmno

lmnothe literal text lmno (case insensitive)

13th Alternativemnop

mnopthe literal text mnop (case insensitive)

14th Alternativenopq

nopqthe literal text nopq (case insensitive)

15th Alternativeopqr

opqrthe literal text opqr (case insensitive)

16th Alternativepqrs

pqrsthe literal text pqrs (case insensitive)

17th Alternativeqrst

qrstthe literal text qrst (case insensitive)

18th Alternativerstu

rstuthe literal text rstu (case insensitive)

19th Alternativestuv

stuvthe literal text stuv (case insensitive)

20th Alternativetuvw

tuvwthe literal text tuvw (case insensitive)

21st Alternativeuvwx

uvwxthe literal text uvwx (case insensitive)

22nd Alternativevwxy

vwxythe literal text vwxy (case insensitive)

23rd Alternativewxyz

wxyzthe literal text wxyz (case insensitive)

Global pattern flags

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

x modifier: extended. Ignores unescaped whitespace and comments outside character classes

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

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25 tokens

Regular Expression

(abcd|bcde|cdef|defg|efgh|fghi|ghij|hijk|ijkl|jklm|klmn|lmno|mnop|nopq|opqr|pqrs|qrst|rstu|stuv|tuvw|uvwx|vwxy|wxyz)+

Unit Tests

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