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Find & Replace - Search and Replace Text | Lembog

Find & Replace

Find and replace text with support for regex and options

Find & Replace - Search and Replace Text

Find and replace text with powerful options including regex support, case sensitivity, and whole word matching. Perfect for bulk text editing and data transformation.

Features

  • Find and replace - Simple text replacement
  • Case sensitivity - Match exact case or ignore
  • Whole word - Match complete words only
  • Regex support - Use regular expressions
  • Match count - See how many matches found
  • Apply to input - Chain multiple replacements

Options Explained

Case Sensitive

When enabled, "Hello" and "hello" are treated as different strings.

Whole Word

Only matches complete words. Searching for "the" won't match "there".

Use Regex

Enable regular expression patterns. Use special characters like .*+?.

How to Use

  1. Paste your text in the input area
  2. Enter the text to find
  3. Enter the replacement text
  4. Enable options as needed (case, word, regex)
  5. Click "Replace All"
  6. Copy the result or apply to input for more changes

Regex Examples

PatternMatches
\d+All numbers
\s+Whitespace
^Hello"Hello" at line start
world$"world" at line end
[aeiou]Any vowel

FAQs

Is my text data secure?

Yes! All processing happens in your browser. We never see or store your data.

What if regex is invalid?

The tool will show an error message if the regex pattern is invalid.

Can I use capture groups?

Yes! Use $1, $2, etc. in the replacement for captured groups.

Use Cases

  • Data cleaning - Remove unwanted characters
  • Formatting - Standardize text format
  • Coding - Bulk variable renaming
  • Content editing - Update repeated phrases
  • Log analysis - Extract or transform log data