The phrase "a specific string of" is correct and usable in written English.
It can be used when referring to a particular sequence of characters, words, or data in a technical or descriptive context.
Example: "The program requires a specific string of characters to unlock the next level."
Alternatives: "a particular sequence of" or "a defined set of".
These copies, called messenger RNA (mRNA), consist of a specific string of words, or codons.
Apple says today it has a fix in the works for an odd software bug that has been able to crash users' iPhones when they receive a text message with a specific string of characters.
Scientists can easily program it to find a specific string of letters in a DNA sequence.
The company agreed to create and then conceal a special program on its email servers that would check all correspondence for a specific string of bits.
A Head Match allows you to designate a specific string of characters in your URL that you want matched and can be useful if visitors have an identification number when they are logged into your website.
The bug requires a very specific string of text to be sent within an iMessage or SMS.
For most categories of predicates, such as 'Word' and those predicates for punctuation symbols, the pattern matching is simply comparing a given token with a pattern represented by a specific string, or a list of strings.
Standard antivirus software looks for specific strings of code that appear in known viruses; heuristic systems look more generally for suspicious patterns.
Specific strings of those molecules there are three billion pairs in the human genome are arranged together to make genes; genes, in turn, produce the proteins that we need to survive.
The technique has the potential to unmask subtle warning signs of disease in single cells, such as specific strings of amino acids and other telltale chemical tracers of cancer, says chemist Andrew Ewing of Pennsylvania State University, University Park.
An example of a site-specific string is shown in the last row of Table 1.
