pango:language-matches (language range)

language -- a pango:language instance
range -- a list of language ranges, separated by ; : , or space characters, each element must either be * or a RFC 3066 language range canonicalized as by the pango:language-from-string function

True if a match was found.

Checks if a language tag matches one of the elements in a list of language ranges. A language tag is considered to match a range in the list if the range is *, the range is exactly the tag, or the range is a prefix of the tag, and the character after it in the tag is -.

(pango:language-matches (pango:language-default) "de-de en-gb") => T
(pango:language-matches (pango:language-default) "en-gb") => NIL