This process is known more formally as parsing (or to be more precise, tokenizing, lexing, and parsing).

这个过程更正式的称呼是解析(parsing)(更准确地说，是标记解释(tokenizing)、词法解析(lexing)和语法解析)。

youdao

The filters do any post-tokenizing work on the tokens (typically dropping out punctuation and commonly occurring words like "the", "an", "a", etc).

滤词器在分词之后对标号做进一步处理（最典型的比如去掉标点符号和一些常见词，像"the", "an", "a"）。

youdao

Tokenizing/Lexing: breaking up a string of characters into meaningful (to the language) chunks, called tokens.

分词/词法分析：分词指将一段字符串破成有意义的（相对于这门语言）小块。

youdao