is_latex_name: Check or make valid LaTeX command name
In jrnold/textools: Functions for working with LaTeX

Valid LaTeX command names can only contain letters [A-Za-z]. The function is_latex_name checks whether strings are valid LaTeX command names. The function make_tex_name converts a character vector to valid LaTeX command names by dropping all invalid characters.

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is_latex_name(x, allow_at = FALSE)

make_latex_name(x, allow_at = FALSE)

`x`	character vector
`allow_at`	flag. Allow the character vector to include the `@` character in addition to upper- and lower-cased letters.

is_latex_name: A logical vector with length length(x) indicating which elements elements of the vector contain valid TeX command names
: A character vector with length length(x) with syntactically valid LaTeX command names.