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Introduction Regular Expressions (RegEx) is a syntax for specifying patterns of text to search and replace, which can be used for renaming files via the Regular Expressions renaming rule. Special metacharacters allow you to specify, for instance, that a parti...

The Pascal Script rule in ReNamer allows advanced users to create custom renaming logic using a scripting language based on Pascal/Delphi syntax. This provides full programmatic control over filenames, paths, metadata, and file system operations, making it ide...

This page provides a quick introduction to Pascal syntax and the basic structure of scripts. Once you are comfortable with these concepts, you can jump into Examples to explore practical applications and educational snippets. For a broader introduction to the ...

This page lists and explains all supported types in Pascal Script used within ReNamer. Integer types Integer types store whole numbers and are used for counting, indexing, and arithmetic operations. Choose the appropriate size based on the range of values you ...

This page provides a complete reference of all functions available in the Pascal Script rule within ReNamer, organized by category. A function generally performs some work, it may take some input parameters, and may produce or return some output. Functions tha...

This page provides practical examples demonstrating how to use the Pascal Script rule in ReNamer. Each example is self-contained and focuses on a specific task or concept. For function signatures and type details, refer to the Functions and Types reference art...

This page provides curated, ready-to-use scripts for common renaming tasks and integrations with third-party tools. Each script can be copied directly into the Pascal Script rule and adapted by adjusting the constants at the top. Additionally, the User Forum i...

The order of items in the Files pane can affect the renaming outcome. This is most notable in two situations: When renaming folders and their contents together. When using the Serialize rule to assign sequential numbers to file names. ReNamer supports two so...

By default, ReNamer is configured to rename files only. When a folder is added, it is scanned recursively and the files it contains are added to the renaming list — the folder itself is not. To rename folders themselves, open Filter settings and enable the Add...

ReNamer can move files and folders to a different location as part of the renaming process. You can move everything to a single target folder, or distribute files into multiple folders based on their properties. Moving to a folder To move items to a different ...

ReNamer supports several command line parameters for launching the program with files pre-loaded, applying presets automatically, and performing unattended renaming operations. The general format is: "ReNamer.exe" /parameter [arguments] Note that multiple par...

Introduction The maximum length of paths and file/folder names is limited in every mainstream operating system and file system. The exact limits can vary significantly between systems. For example, in Windows 10 and earlier versions the maximum path length is ...

The renaming operation can fail for a variety of reasons. The built-in validation process attempts to identify common problems before renaming by raising warnings during the preview stage, but it cannot catch every possible issue. The most common reasons for a...

Validation is a process that analyzes the list of files and their target destinations to identify common problems before renaming begins. When a potential problem is detected, a warning is raised so it can be resolved during the preview stage rather than resul...

Wildcard masks (also called filename masks) are a simple pattern-matching syntax that uses special placeholder characters to match filenames. Masks can be used in several places in ReNamer, including the Replace rule and Remove rule, Filter settings, and the C...