bibtex-string-maybe-empty-head

bibtex-string-maybe-empty-head is a variable defined in `bibtex.el'.
Its value is

"^[ 	]*\\(@[ 	]*String\\)[ 	]*[({][ 	\n]*\\([][[:alnum:].:;?!`'/*@+|()<>&_^$-]+\\)?"

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

Documentation:
Regexp matching the header line of a BibTeX String entry.