The phrase "alphanumeric symbols" is correct and usable in written English.
It can be used when referring to characters that include both letters and numbers, often in contexts like passwords, codes, or data entry.
Example: "Please create a password that includes alphanumeric symbols to enhance security."
Alternatives: "letters and numbers" or "alpha-numeric characters".
Alphanumeric symbols race past like a stock ticker on overdrive.
Having seven colors gave them 49 combinations, which they used to encode the 26 different letters and 23 alphanumeric symbols such as "@" and "$." They wrote a message by simply blotting pairs of colored bacteria in rows.
So I took the CBEST, a standardized test that proves you can both recognize alphanumeric symbols and operate a pencil, and forged a couple of letters of recommendation.
These symbols did not have any meaning, in contrast to frequently used alphanumeric symbols.
For probes, the Emotion condition used IAPS pictures as probes and the Neutral condition used alphanumeric symbols (i.e., letters served as target probes, and digits served as nontarget probes).
A site modification is defined by a sequence of alphanumeric symbols.
In the Singapore MRT, each station was assigned a unique alphanumeric symbol.
Additionally, we follow common information retrieval preprocessing steps by: (1) removing punctuation and non-alphanumeric symbols; (2) removing common stop-words; (3) transforming all text to lowercase; (4) stemming (we employed the Porter Stemmer from the open source Python library NLTK [14]).
All alphanumeric graphemes were 2.0° tall while non-alphanumeric symbols ranged from 1.3° 2.7° tall.
For 13 synaesthetes, non-alphanumeric symbols (e.g. &, #) were included as non-inducing primes (2.2 (SD = 1.2) on average).
For 14 synaesthetes, several (3.6 (SD = 1.4) on average) familiar non-alphanumeric symbols (e.g. #, %) were included in the non-inducing control condition because there were not enough non-inducing alphanumeric graphemes.
