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Remove lines containing

Removes lines that contain a pattern/subtext in the input.

Overview

Great for cleaning logs, duplicates, and lists. The filter can be case-sensitive.

Technical deep dive

Common questions summarized

  • What is this tool for?: It runs fully in your browser: useful to validate, format, or convert data in everyday development.
  • Are my inputs sent to a server?: Processing happens locally with JavaScript. We do not store what you paste into the text areas.
  • Can I use this for real production data?: Use at your own risk. For secrets (passwords, tokens), prefer controlled environments and your company policies. And always review the generated contents. Never trust blindly things you see on the internet.

Sample payload to try

  • See also the larger "Code Snippets" sample; paste this excerpt to try locally: Example — one two THREE four Remover padrão: two Saída: one THREE four

Tool guide

  • What you are working with Multi-line text like logs, lists, and pasted excerpts from files.

  • What the tool does Removes lines that contain a provided pattern/subtext. The filter can be case-sensitive.

  • Why use it Clean logs and lists by removing repetitive or irrelevant entries without external tools.

This chapter in the full guide All tools guide

Code Snippets

Code example
one
two
THREE
four

Remover padrão: two
Saída: one
THREE
four

Example 

one
two
THREE
four

Remover padrão: two
Saída: one
THREE
four

FAQ

What is this tool for?

It runs fully in your browser: useful to validate, format, or convert data in everyday development.

Are my inputs sent to a server?

Processing happens locally with JavaScript. We do not store what you paste into the text areas.

Can I use this for real production data?

Use at your own risk. For secrets (passwords, tokens), prefer controlled environments and your company policies. And always review the generated contents. Never trust blindly things you see on the internet.

GigaCode global FAQ