Regex Cheatsheet - Regular Expression Quick Reference
Quick reference for regular expression patterns. Character classes, quantifiers, anchors, and common patterns.
Number with Commas Pattern
Common PatternMatch numbers with thousands separators
Pattern
\b\d{1,3}(,\d{3})*(\.\d+)?\bExamples
1,234,567.89With decimals and commas
Matches: 1,234,567.89
1,000Integer with comma
Matches: 1,000
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