local a = "totalling 7,525.07"
print(string.match(a, '%S+$'))
print(string.match(a, '%d[%d.,]*'))
print(string.match(a, 'totalling%s*(%S+)'))
print(string.match(a, 'totalling%s*(%d[,.%d]*)'))
print(string.match(a, '%f[%d]%d[,.%d]*%f[%D]'))
bG9jYWwgYSA9ICJ0b3RhbGxpbmcgIDcsNTI1LjA3IgpwcmludChzdHJpbmcubWF0Y2goYSwgJyVTKyQnKSkKcHJpbnQoc3RyaW5nLm1hdGNoKGEsICclZFslZC4sXSonKSkKcHJpbnQoc3RyaW5nLm1hdGNoKGEsICd0b3RhbGxpbmclcyooJVMrKScpKQpwcmludChzdHJpbmcubWF0Y2goYSwgJ3RvdGFsbGluZyVzKiglZFssLiVkXSopJykpCnByaW50KHN0cmluZy5tYXRjaChhLCAnJWZbJWRdJWRbLC4lZF0qJWZbJURdJykpCg==