Data Formats Regex Patterns

Matches base64 encoded strings.

Matches empty or whitespace-only lines.

Matches individual fields in comma-separated value data.

Matches currency values with common symbols ($, €, £, ¥).

Matches USD currency values like $1,234.56.

Extracts file extensions from filenames.

Matches relative file paths starting with ./ or ../.

Matches Unix/Linux/macOS file paths.

Matches Windows file paths with drive letter.

Extracts attribute name-value pairs from HTML tags.

Matches HTML comments including multi-line content.

Matches opening and self-closing HTML tags with optional attributes.

Captures the indentation level of each line.

Matches key-value pairs in JSON format.

Matches decimal numbers with optional sign and fractional part.

Matches positive and negative integers with optional thousands separators.

Matches numbers in scientific notation like 1.23e-4 or 6.022E23.

Matches sequences of 2+ whitespace characters for collapsing.

Matches leading and trailing whitespace for trimming.