Regular Expressions 101

^start of line

Moviethe literal text Movie (case sensitive)

\s+any whitespace character, repeated at least once

\S+any non-whitespace character, repeated at least once

\s+any whitespace character, repeated at least once

Group 1(S\d{2}\s+E\d{2}(?=\s+\d{4}))

Sthe literal S (83₁₀ / 123₈ / 53₁₆) (case sensitive)

\d{2}a digit, repeated exactly 2 times

\s+any whitespace character, repeated at least once

Ethe literal E (69₁₀ / 105₈ / 45₁₆) (case sensitive)

\d{2}a digit, repeated exactly 2 times

Positive Lookahead(?=\s+\d{4})

\s+any whitespace character, repeated at least once

\d{4}a digit, repeated exactly 4 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

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25 tokens

Regular Expression

^Movie\s+\S+\s+(S\d{2}\s+E\d{2}(?=\s+\d{4}))

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