The phrase "a string of one" is correct and usable in written English.
It can be used in contexts where you are referring to a sequence or collection that consists of a single item or element.
Example: "In programming, a string of one can be used to represent a single character."
Alternatives: "a single item" or "one element".
This is a string of one or more of the following list of characters or their upper-case counterparts.
American TV has played host to a string of one season wonders down the years; superb shows that were inexplicably shot down in their prime, but have since found fame on DVD.
The former converts the input into a sequence of tokens, where each token corresponds to a string of one or more characters in the source that are meaningful when interpreted as a group.
You can have a string of four and five star reviews, and then you get a string of one star reviews and it will torpedo your sales, because people will see those most recent reviews and it's a warning sign to the potential readers.
Though Perry's not looking to be a Pick Up Artist or have a string of one night stands, he does want to try casual dating for the first time in his life.
In the present study, a string of one or more genes co-transcribed is defined as a TU [ 4].
It was during this season that I first encountered the hallmarks of the show, in which banally attractive and almost always white protagonists are provided with a string of one-on-one and group dates to "get to know" the contestants, who live together in a "luxury mansion," and who are progressively winnowed down in formal "rose ceremonies".
Williams has labored under a string of one-year contracts, on the way to unfettered and well-earned free agency.
The walkouts on Tuesday marked the latest in a string of one-day strikes put on by low-wage workers around the country.
Former Alaska governor Sarah Palin (R) delivered a blistering attack on President Obama on Saturday, using a string of one-liners to rile up a raucous crowd at the Conservative Political Action Conference in suburban Washington.
Chuckling and a string of one-liners followed, some focused on what was possible in the post-Pataki world.
