regex101: Python Match Workspace

1st AlternativeJan(?:uary)?

Janthe literal text Jan (case sensitive)

Non-Capturing Group(?:uary)?

?repeats the group contents below at most once:

uarythe literal text uary (case sensitive)

2nd AlternativeFeb(?:ruary)

Febthe literal text Feb (case sensitive)

Non-Capturing Group(?:ruary)

ruarythe literal text ruary (case sensitive)

3rd AlternativeMarc?h?

Marthe literal text Mar (case sensitive)

c?optionally matches the literal c (99₁₀ / 143₈ / 63₁₆) (case sensitive)

h?optionally matches the literal h (104₁₀ / 150₈ / 68₁₆) (case sensitive)

4th AlternativeApr[il1]?[I1l]?

Aprthe literal text Apr (case sensitive)

Character Class[il1]?

?matches at most one character from the set below:

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

lthe literal l (108₁₀ / 154₈ / 6C₁₆) (case sensitive)

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

Character Class[I1l]?

?matches at most one character from the set below:

Ithe literal I (73₁₀ / 111₈ / 49₁₆) (case sensitive)

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

lthe literal l (108₁₀ / 154₈ / 6C₁₆) (case sensitive)

5th AlternativeMay

Maythe literal text May (case sensitive)

6th AlternativeJune?

Junthe literal text Jun (case sensitive)

e?optionally matches the literal e (101₁₀ / 145₈ / 65₁₆) (case sensitive)

7th AlternativeJuly?

Julthe literal text Jul (case sensitive)

y?optionally matches the literal y (121₁₀ / 171₈ / 79₁₆) (case sensitive)

8th AlternativeAug(?:ust)?

Augthe literal text Aug (case sensitive)

Non-Capturing Group(?:ust)?

?repeats the group contents below at most once:

ustthe literal text ust (case sensitive)

9th AlternativeSep(?:tember)?

Septhe literal text Sep (case sensitive)

Non-Capturing Group(?:tember)?

?repeats the group contents below at most once:

temberthe literal text tember (case sensitive)

10th AlternativeOct(?:tober)?

Octthe literal text Oct (case sensitive)

Non-Capturing Group(?:tober)?

?repeats the group contents below at most once:

toberthe literal text tober (case sensitive)

11th AlternativeNov(?:ember)?

Novthe literal text Nov (case sensitive)

Non-Capturing Group(?:ember)?

?repeats the group contents below at most once:

emberthe literal text ember (case sensitive)

12th AlternativeDec(?:ember)?

Decthe literal text Dec (case sensitive)

Non-Capturing Group(?:ember)?

?repeats the group contents below at most once:

emberthe literal text ember (case sensitive)

13th Alternative20[01]\d

20the literal text 20

Character Class[01]

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

\da Unicode decimal digit

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Search reference

Regular Expression

(Jan(?:uary)?|Feb(?:ruary)|Marc?h?|Apr[il1]?[I1l]?|May|June?|July?|Aug(?:ust)?|Sep(?:tember)?|Oct(?:tober)?|Nov(?:ember)?|Dec(?:ember)?|20[01]\d)

New

February 4 - March 23, 2015