Regular Expressions 101

Pro

Group 1([aeiouy])

Character Class[aeiouy]

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

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

ithe literal i (105₁₀ / 151₈ / 69₁₆) (case insensitive)

othe literal o (111₁₀ / 157₈ / 6F₁₆) (case insensitive)

uthe literal u (117₁₀ / 165₈ / 75₁₆) (case insensitive)

ythe literal y (121₁₀ / 171₈ / 79₁₆) (case insensitive)

Group 2(\s*)

\s*any whitespace character, repeated any number of times

Group 3([bcdfghjklmnpqrstvwxz])

Character Class[bcdfghjklmnpqrstvwxz]

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

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

dthe literal d (100₁₀ / 144₈ / 64₁₆) (case insensitive)

fthe literal f (102₁₀ / 146₈ / 66₁₆) (case insensitive)

gthe literal g (103₁₀ / 147₈ / 67₁₆) (case insensitive)

hthe literal h (104₁₀ / 150₈ / 68₁₆) (case insensitive)

jthe literal j (106₁₀ / 152₈ / 6A₁₆) (case insensitive)

kthe literal k (107₁₀ / 153₈ / 6B₁₆) (case insensitive)

lthe literal l (108₁₀ / 154₈ / 6C₁₆) (case insensitive)

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

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case insensitive)

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

qthe literal q (113₁₀ / 161₈ / 71₁₆) (case insensitive)

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

sthe literal s (115₁₀ / 163₈ / 73₁₆) (case insensitive)

tthe literal t (116₁₀ / 164₈ / 74₁₆) (case insensitive)

vthe literal v (118₁₀ / 166₈ / 76₁₆) (case insensitive)

wthe literal w (119₁₀ / 167₈ / 77₁₆) (case insensitive)

xthe literal x (120₁₀ / 170₈ / 78₁₆) (case insensitive)

zthe literal z (122₁₀ / 172₈ / 7A₁₆) (case insensitive)

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

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

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25 tokens

([aeiouy])(\s*)([bcdfghjklmnpqrstvwxz])

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