Regular Expressions 101

Explanation

Pro

(?i)applies the following effective flags to the remainder of the pattern: gmi

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

\ban ASCII word boundary

Group 1([^(or|be)])

Negated Character Class[^(or|be)]

(the literal ( (40₁₀ / 50₈ / 28₁₆)

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

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

|the literal | (124₁₀ / 174₈ / 7C₁₆)

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

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

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\ban ASCII word boundary

(?i)applies the following effective flags to the remainder of the pattern: gmi

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

\ban ASCII word boundary

Group 2(my|be|or)

1st Alternativemy

mythe literal text my (case insensitive)

2nd Alternativebe

bethe literal text be (case insensitive)

3rd Alternativeor

orthe literal text or (case insensitive)

\ban ASCII word boundary

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

No unit tests

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25 tokens

(?i)\b([^(or|be)])\b(?i)\b(my|be|or)\b

There are no unit tests.