f90-constants-re

f90-constants-re is a variable defined in `f90.el'.
Its value is

"\\_<\\(?:atomic_\\(?:\\(?:int\\|logical\\)_kind\\)\\|c\\(?:_\\(?:alert\\|b\\(?:ackspace\\|ool\\)\\|c\\(?:arriage_return\\|har\\)\\|double\\(?:_complex\\)?\\|f\\(?:loat\\(?:_complex\\)?\\|orm_feed\\|unptr\\)\\|horizontal_tab\\|int\\(?:\\(?:16\\|32\\|64\\|8\\|_\\(?:fast\\(?:16\\|32\\|64\\|8\\)\\|least\\(?:16\\|32\\|64\\|8\\)\\)\\|max\\|ptr\\)_t\\)?\\|long\\(?:_\\(?:double\\(?:_complex\\)?\\|long\\)\\)?\\|n\\(?:ew_line\\|ull_\\(?:\\(?:cha\\|\\(?:fun\\)?pt\\)r\\)\\)\\|ptr\\|s\\(?:hort\\|i\\(?:gned_char\\|ze_t\\)\\)\\|vertical_tab\\)\\|haracter_\\(?:kinds\\|storage_size\\)\\)\\|error_unit\\|file_storage_size\\|i\\(?:eee_\\(?:arithmetic\\|\\(?:exception\\|feature\\)s\\)\\|n\\(?:put_unit\\|t\\(?:16\\|32\\|64\\|8\\|eger_kinds\\)\\)\\|ostat_\\(?:e\\(?:nd\\|or\\)\\|inquire_internal_unit\\)\\|so_\\(?:c_binding\\|fortran_env\\)\\)\\|lo\\(?:ck_type\\|gical_kinds\\)\\|numeric_storage_size\\|output_unit\\|real\\(?:128\\|32\\|64\\|_kinds\\)\\)\\_>"

• This variable may be risky if used as a file-local variable.

Documentation:
Regexp for Fortran intrinsic constants.