Which regular expression matches 50440123 and 4044123, but not 60440123?
A. [6].*
B. [45].*
C. {6}.*
D. {45}.*
Which regular expression matches 50440123 and 4044123, but not 60440123?
Which regular expression matches 50440123 and 4044123, but not 60440123?
A. [6].*
B. [45].*
C. {6}.*
D. {45}.*