Regular Expressions 101

Positive Lookbehind(?<=Description Amount\n)

Description Amountthe literal text Description Amount (case sensitive)

\na line-feed (newline) character (ASCII 10)

Non-Capturing Group(?:(?!\d+,\d).*\n)+

+repeats the group contents below at least once:

Negative Lookahead(?!\d+,\d)

\d+a digit, repeated at least once

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\da digit

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

\na line-feed (newline) character (ASCII 10)

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

Regular Expression

(?<=Description Amount\n)(?:(?!\d+,\d).*\n)+

New

Description Amount
Being the Amount received from above branch in favour of SAF SAF
FOR THE MONTH OF JANUARY-2021.
3,24,500.00

Description Amount
Being the Amount received from above branch in favour of SD SAF
VALUE SAF OF CHAPAINAWABGANJ AREA FOR THE MONTH OF
JANUARY 2021
9,18,049.00


Description Amount
3,24,500.00