Regular Expressions 101

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 1(\d{2}-\d{2}-\d{4})

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

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\d{4}a Unicode decimal digit, repeated exactly 4 times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

csvthe literal text csv (case sensitive)

$end of line

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

/(\d{2}-\d{2}-\d{4})\.csv$

New

csse_covid_19_data/csse_covid_19_daily_reports/02-01-2020.csv
csse_covid_19_data/csse_covid_19_daily_reports/01-31-2020.csv
csse_covid_19_data/csse_covid_19_daily_reports/02-02-2020.csv
csse_covid_19_data/csse_covid_19_daily_reports/01-24-2020.csv
csse_covid_19_data/csse_covid_19_daily_reports/01-29-2020.csv

Regular Expression

Extraction