Regular Expressions 101

Explanation

Pro

1st Alternative闹钟

闹钟the literal text 闹钟

2nd Alternative叫.{0,3}[|早|醒|我|起]+

叫the literal 叫 (21483₁₀ / 51753₈ / 53EB₁₆)

.{0,3}any Unicode character (except for line terminators), repeated between 0 and 3 times

Character Class[|早|醒|我|起]+

+matches at least one character from the set below:

|the literal | (124₁₀ / 174₈ / 7C₁₆)

早the literal 早 (26089₁₀ / 62751₈ / 65E9₁₆)

醒the literal 醒 (37266₁₀ / 110622₈ / 9192₁₆)

我the literal 我 (25105₁₀ / 61021₈ / 6211₁₆)

起the literal 起 (36215₁₀ / 106567₈ / 8D77₁₆)

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

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25 tokens

闹钟|叫.{0,3}[|早|醒|我|起]+

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