regex101: Python Match Workspace

Pro

(?i)applies the following effective flags to the remainder of the pattern: gmi

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Group 1(USE\s+BY|DATE\s+FILL(?:ED)?)

1st AlternativeUSE\s+BY

USEthe literal text USE (case insensitive)

\s+a Unicode whitespace character, repeated at least once

BYthe literal text BY (case insensitive)

2nd AlternativeDATE\s+FILL(?:ED)?

DATEthe literal text DATE (case insensitive)

\s+a Unicode whitespace character, repeated at least once

FILLthe literal text FILL (case insensitive)

Non-Capturing Group(?:ED)?

?repeats the group contents below at most once:

EDthe literal text ED (case insensitive)

.*any Unicode character (except for line terminators), repeated any number of times

Group date(?P<date>\d{1,2}[-/]\d{1,2}[-/]\d{2,4})

\d{1,2}a Unicode decimal digit, repeated between 1 and 2 times

Character Class[-/]

-the literal - (45₁₀ / 55₈ / 2D₁₆)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\d{1,2}a Unicode decimal digit, repeated between 1 and 2 times

Character Class[-/]

-the literal - (45₁₀ / 55₈ / 2D₁₆)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\d{2,4}a Unicode decimal digit, repeated between 2 and 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

25 tokens

Regular Expression

(?i)(USE\s+BY|DATE\s+FILL(?:ED)?).*(?P<date>\d{1,2}[-/]\d{1,2}[-/]\d{2,4})

New

CVS pharmacy
713-217 HsonSt
OTY: 90
REFILL 0 Refills
PRSCBN. A Beil
DATE FILLED 6/23/20
USE BY. 6/23/21
RPH Bill Liu
MFR AUROBINDO PHARM
DATE FILLED 7-21-20
ST DEA BC2236645
This is a WHITE
REDTME

Substitution

CVS pharmacy
713-217 HsonSt
OTY: 90
REFILL 0 Refills
PRSCBN. A Beil
DATE FILLED 6/23/20
USE BY. 6/23/21
RPH Bill Liu
MFR AUROBINDO PHARM
DATE FILLED 7-21-20
ST DEA BC2236645
This is a WHITE
REDTME