regex101: PCRE (Legacy) Match Workspace

Non-Capturing Group(?:^|\b)

1st Alternative^

^start of line

2nd Alternative\b

\ban ASCII word boundary

\$?optionally matches the literal $ (36₁₀ / 44₈ / 24₁₆)

5the literal 5 (53₁₀ / 65₈ / 35₁₆)

,?optionally matches the literal , (44₁₀ / 54₈ / 2C₁₆)

000the literal text 000

Positive Lookahead(?=\s|$)

1st Alternative\s

\sany whitespace character

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

25 tokens

Regular Expression

(?:^|\b)\$?5,?000(?=\s|$)

New

$5000
$5,000
$5000 + $500
$5.000
$5000.50
$5,000,000
$5,00000

"
$5000
" // match
"
$5,000
" // match as it resembles the same value
"
$5000 + $500
" // match
"
$5.000
" // should not match
"
$5000.50
" // should not match

Extraction

$5000
$5,000
$5000 + $500
$5.000
$5000.50
$5,000,000
$5,00000

"
$5000
" // match
"
$5,000
" // match as it resembles the same value
"
$5000 + $500
" // match
"
$5.000
" // should not match
"
$5000.50
" // should not match