Regex Tool

Match and extract text patterns using regular expressions. Use for data validation, text parsing, and pattern-based extraction tasks.

Regex - Regular Expression Matcher

Search text using regular expressions to find, extract, and replace patterns. Supports standard regex syntax with capturing groups, alternation, and quantifiers for advanced text processing.

Usage

bash

regex-tool [options] <pattern> <file>

Options

• -i: Case-insensitive matching
• -o: Show only matched text
• -r REPLACE: Replace matches with text
• -g: Global match (all occurrences)

Examples

bash

regex-tool "\d{4}-\d{2}-\d{2}" dates.txt
regex-tool -i "error|warning" log.txt
regex-tool -r "[REDACTED]" "\b\d{3}-\d{2}-\d{4}\b" data.txt