Regular Expressions 101

Explanation
Pro

^start of line

Character Class[(?:um)|(?:µm)|(?:mi)]

(the literal ( (40₁₀ / 50₈ / 28₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

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

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

)the literal ) (41₁₀ / 51₈ / 29₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

µthe literal µ (181₁₀ / 265₈ / B5₁₆) (case sensitive)

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

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

Add a test to get started

25 tokens

^[(?:um)|(?:µm)|(?:mi)]

There are no unit tests.