def valid_char(self, ch):
        return len(ch)==1 and ch in "0123456789"
Return any corresponding targets in a variant directory.
dataset/ETHPy150Open AnyMesh/anyMesh-Python/example/urwid/widget.py/IntEdit.valid_char--crossover with--dataset/ETHPy150Open kayhayen/Nuitka/nuitka/build/inline_copy/lib/scons-2.3.2/SCons/Node/FS.py/Dir.alter_targets