Regular Expressions 101

Pro

^start of line

Non-Capturing Group(?:[abce-zABCE-Z][a-z]|[a-zA-Z][a-df-z])

1st Alternative[abce-zABCE-Z][a-z]

Character Class[abce-zABCE-Z]

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

bthe literal b (98₁₀ / 142₈ / 62₁₆) (case sensitive)

cthe literal c (99₁₀ / 143₈ / 63₁₆) (case sensitive)

e-zone character from e (101₁₀) to z (122₁₀) (case sensitive)

Athe literal A (65₁₀ / 101₈ / 41₁₆) (case sensitive)

Bthe literal B (66₁₀ / 102₈ / 42₁₆) (case sensitive)

Cthe literal C (67₁₀ / 103₈ / 43₁₆) (case sensitive)

E-Zone character from E (69₁₀) to Z (90₁₀) (case sensitive)

Character Class[a-z]

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

2nd Alternative[a-zA-Z][a-df-z]

Character Class[a-zA-Z]

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

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

Character Class[a-df-z]

a-done character from a (97₁₀) to d (100₁₀) (case sensitive)

f-zone character from f (102₁₀) to z (122₁₀) (case sensitive)

.*any character (except for line terminators), repeated any number of times

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

Detailed match information will be displayed here automatically.

25 tokens

^(?:[abce-zABCE-Z][a-z]|[a-zA-Z][a-df-z]).*

New

de
DE
dE
De

des
DES
dES
Des
test
deSomething
diSomething

de
DE
dE
De

des
DES
dES
Des
test
deSomething
diSomething