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Letters Extraction

Tool to extract letters from a message according to a pattern. It is possible to hide a text into another by adding parasites letters. Letters can follow a regular extraction pattern (eg: 1 letter of 2).

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Letters Extraction -

Tag(s) : Steganography, Data processing

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Letters Extraction

Letters Extractor from a Text










Tool to extract letters from a message according to a pattern. It is possible to hide a text into another by adding parasites letters. Letters can follow a regular extraction pattern (eg: 1 letter of 2).

Answers to Questions

How to extract letters from a text?

Take the message ABCDEFGHIJKLMNOPQRSTUVWXYZ, dCode offers different modes for letters extraction:

Take 1 of N letters

Example: Taking 1 of 2 letters: A-C-E-G-I-K-M-O-O-O-U-W-Y-

Example: Taking 1 of 3 letters: A--D--G--J--M--P--S--V--Y-

Extract a pattern

Example: The pattern 2,3 means to take 1 letter each 2 and 1 letter each 3: A-C--F-H--K-M--P-R--U-W--Z

Extract by mask (1 = preserved letter, 0 = letter ignored)

Example: Using the binary mask 101: A-CD-FG-IJ-LM-OP-RS-UV-XY

The patterns and masks are repeated until reaching the end of the message.

If needed, start using any letter rather than the first letter.

Example: Taking a letter of 2 (starting at position 1): A-C-E-G-I-K-M-O-O-O-U-W-Y-

Example: Taking a letter of 2 (starting at position 2): -B-D-F-H-J-L-N-P-R-T-V-X-Z

Punctuation may (or may not) be taken into account in characters count.

How to extract letters in Excel?

Although this is not practical, Excel provides functions such as RIGHT() or LEFT() to extract N letters at the beginning or end of words. (dCode is better and recommended)

What is an acrostic?

An acrostic is a poem or message from which certain letters or words can be extracted to give a second meaning to the message.

Source code

dCode retains ownership of the source code of the script Letters Extraction online. Except explicit open source licence (indicated Creative Commons / free), any algorithm, applet, snippet, software (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any function (convert, solve, decrypt, encrypt, decipher, cipher, decode, code, translate) written in any informatic langauge (PHP, Java, C#, Python, Javascript, Matlab, etc.) which dCode owns rights will not be released for free. To download the online Letters Extraction script for offline use on PC, iPhone or Android, ask for price quote on contact page !

Questions / Comments

Thanks to your feedback and relevant comments, dCode has developped the best Letters Extraction tool, so feel free to write! Thank you !


Source : https://www.dcode.fr/letters-extraction
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