Tags » Substring

Formatting phone numbers without FORMAT

Today’s post is not an especially elegant solution, or even a flashy one. It’s not some big sexy piece of existentialist SQL poetry. But it is practical, and it was a fun little challenge.  243 more words


JavaScript substring functions

Substring (indexstart[, indexend])

Returns part of a string between indexstart and indexend, but not including indexend.
Index (indexStart) of first character is 0.  189 more words


All Palindromes in a string

Ever had to find if a string is a palindrome , perhaps in your college assignment , well i know the problem is too easy but how aboutwe raise the bar a bit ? 206 more words

Knuth-Morris-Pratt substring search

When searching for the pattern A A B A A A in the text A A B A A B A A A A, we first detect the mismatch at position 5, but we had better restart at position 3 to continue the search, since otherwise we would miss the match. 250 more words

Brute Force Pattern Matching, Delete Pattern Replace Pattern

Pattern matching is the problem of deciding whether or not a given string pattern P appears in a string text T. First pattern matching algorithm is brute force. 380 more words

Rabin-Karp Text search Algorithm

We compute a hash function for the given M character pattern and then look the same hash function value for each M-character sub string of the text. 312 more words

Reversing words in a sentence without using PHP functions

Hi guys,

I need to know how to reverse a words in a sentence without using any inbuilt string manipulation functions(like explode, split, substring, array_reverse, etc) in PHP. 46 more words