Code Completion 4 Challenges

Complete the Python regular-expression code

Practice whole-string validation, named groups, lazy match iteration, and readable whitespace normalization.

Intermediate ~10 min read

Validate the whole code string: exactly two uppercase letters, a hyphen, then four digits.

python Your answer

import re

code = "ZX-7042"
if :
    print("valid")
else:
    print("invalid")

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python Your answer

import re

match = re.fullmatch(r"(?P<item>[A-Za-z]+):(?P<count>\d+)", "pens:12")
if match:
    print()

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python Your answer

import re

text = "R2 D14 Q8"
print([match.group() for match in re.finditer()])

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python Your answer

import re

raw = "  alpha\t beta   gamma "
normalized = 
print(normalized)

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