Challenge No. 637: Given alphanumeric strings, insert a dash if two characters are not consecutive in increasing order.
Solved using: Python in Excel.
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Reapply Original Capitalization
Challenge No. 594: Work out the indexes where capital letters are.
Solved using: Python in Excel.
Missing Letters and Frequencies
Challenge No. 589: From the list of longest words in English, list the missing alphabets from English language and also the alphabet whose frequency is the highest (in sorted order).
Solved using: Python in Excel.
Expand Alphabet Letter Gaps
Challenge No. 568: Fill in the missing letters between two letters in the given words.
Solved using: Python.
Regex Password and Vowel Checks
Challenge No. 557: Another series of 3 challenges into one to hone your regex skills.
Solved using: Python in Excel.
Date Cipher Decryption
Challenge No. 492: DATE CIPHER DECRYPTER – Decrypt the given messages which were encrypted using following logic.
Solved using: Python in Excel.
Max Frequency Characters
Challenge No. 487: Find the characters whose frequency is the maximum and also find the maximum frequency.
Solved using: Excel VBA.
Decrypt Caesar Cipher Variation
Challenge No. 480: Decrypt the given Encrypted text.
Solved using: Python in Excel.
Extract Special Characters Only
Challenge No. 456: Extract special characters from given strings.
Solved using: R.
Double Accumulated Cipher Encoding
Challenge No. 427: Double Accumulate Cipher
Step 1.
Solved using: Python.