Text File Searcher

Text File Searcher | Online Free Tool | Elysia Tools

Tool usage guide

Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Category: Utilities
Input types: file, text, select, checkbox, number
Output type: file
Sample coverage: 4
API ready: Yes

Overview

The Text File Searcher is a powerful utility designed to help you quickly locate specific text patterns, keywords, or complex strings within your local files using advanced filtering options like regex and case sensitivity.

When to use

Locating specific error codes or log entries within large text-based files.
Extracting data patterns using regular expressions for technical analysis.
Filtering file content to find exact phrases or specific word occurrences.

How it works

1Upload the file you wish to scan using the file picker.
2Enter your search term and select your preferred search type, such as 'Contains' or 'Exact Match'.
3Toggle advanced settings like 'Case Sensitive', 'Whole Word Only', or 'Use Regular Expression' to refine your results.
4Choose your desired output format and click search to view the results with optional line numbers.

Use cases

Debugging software logs by searching for specific timestamp formats or error strings.
Auditing configuration files to verify specific settings or parameter values.
Extracting specific data points from structured text reports for further processing.

Examples

1. Finding Error Codes in Logs

Software Developer

Background

A developer needs to identify all occurrences of a specific database timeout error in a 50MB log file.

Problem

Manually scrolling through thousands of lines is inefficient and prone to error.

How to use

Upload the log file, enter 'DB_TIMEOUT' in the search field, and select 'Detailed' output format.

searchType: contains, caseSensitive: true, includeLineNumbers: true

Outcome

A list of all lines containing the error, complete with line numbers and surrounding context for quick debugging.

2. Extracting User IDs via Regex

Data Analyst

Background

An analyst has a raw text export containing mixed data and needs to isolate all 8-digit user IDs.

Problem

Standard text search cannot identify variable patterns like ID sequences.

How to use

Upload the text file, enable 'Use Regular Expression', and enter the pattern '\d{8}'.

FAQ

Can I search for multiple patterns at once?

Currently, the tool supports searching for one specific text pattern or regular expression per operation.

Does this tool support large files?

Yes, you can search through large text files, and you can use the 'Maximum Results' setting to limit the output if necessary.

What output formats are available?

You can export your search results in Detailed (with context), Simple (lines only), CSV, or JSON formats.

Is the search case-sensitive?

By default, it is not, but you can enable the 'Case Sensitive' checkbox to ensure the search respects character casing.

Can I use regex for complex searches?

Yes, simply enable the 'Use Regular Expression' checkbox to perform advanced pattern matching.

regex: true, outputFormat: csv

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Inputs

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Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Overview

When to use

How it works

Use cases

Examples

1. Finding Error Codes in Logs

2. Extracting User IDs via Regex

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