Text mask
Extract letters by step or positions.
Extract characters with a regular step, exact positions, an inclusive range, or a repeating binary mask. Ignore whitespace or non-alphanumeric characters and reveal the result instantly.
Source text
Settings
Mask type
Mask text
Revealing sign
Detected signs : -
Quick markers
Mask text filter
Logic
The filter reveals matching positions.
Source text
Mask text
Result
Revealed text
Masked preview
Quick explanation
Enter text, select an extraction mode, and configure its settings. Positions start at 1, and the result is recalculated automatically while you type.
Try this too
Need to prepare the text before extraction?
Use Puzzle text cleaner to precisely remove accents, spaces, digits, punctuation, or other characters before applying the mask.
Additional information
Tool currently being tested and written
Text mask is currently being tested and written.
A cleaner, clearer and more polished version will arrive on the site soon. It will replace this temporary block with notes that match the actual behavior of the tool.
Until then, you can use the tool interface, keeping in mind that its presentation and explanations may still evolve.
Limits and reuse
AppErgo tools are provided free of charge for practical and informational purposes. Although care is taken in their design, a result may be incomplete, unexpected or incorrect. Before relying on a result for any important use, check it using an appropriate method.
To report a bug in the tool, you can use the dedicated bug report form.
Results produced by AppErgo tools may be copied and reused freely. When publicly reusing a result, a method or an AppErgo page, a link to the relevant page is appreciated.
Unless otherwise stated, AppErgo texts, images, visual elements, scripts, templates and internal components remain the property of AppErgo.
For any other request, you can contact the webmaster.