Number of strings that start and end with the same letter or are palindromes or contain vowels only
118783
Counting the number of strings that start and end with the same letter, are palindromes, or contain vowels only
122389
How can I generate a list of all possible permutations of several letters?
127431
What is the equation for a string fixed at both ends without simplifying assumptions?
44719
How can I count the number of matches for a regex?
70756
python: recursive check to determine whether string is a palindrome
53639
Formula for number of 6 letter words from English alphabet if there is repetion and ordering
10610
How can I check if a single character appears in a string?
129156
How many Java string objects created in the code String s="abc"+"xyz";?
62541
Determining a string has all unique characters without using additional data structures and without the lowercase characters assumption
103477
How can I find repeated letters with a Perl regex?
71759
How many different permutations are there of the sequence of letters in "MISSISSIPPI"?
65307
Simple combination/probability question based on string-length and possible-characters
119386
How many ternary strings of length 4 have exactly one 1?
93393
How do I show only the first letters of a string?
2085
How would you count occurrences of a string (actually a char) within a string?
122924
Pattern Match symbols that begin with same letter?
131318
I want to pull out the number of special characters and the number of vowels in each sentence using a matlab command