Regular Expressions 101

Pro

Non-Capturing Group(?:.* through |^)

1st Alternative.* through

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

through the literal text through (case sensitive)

2nd Alternative^

^start of line

Group 1(.+?)

.+?any Unicode character (except for line terminators), repeated at least once

Non-Capturing Group(?: at |$)

1st Alternative at

at the literal text at (case sensitive)

2nd Alternative$

$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.

25 tokens

(?:.* through |^)(.+?)(?: at |$)

New

Beginning through June 18, 2022 at Noon standard time\n
Jan 20, 2022
Beginning through April 26, 2022 at 12:01 a.m. standard time

Beginning through June 18, 2022 at Noon standard time\n
Jan 20, 2022
Beginning through April 26, 2022 at 12:01 a.m. standard time