circuitpython/tests/extmod/ure_group.py

35 lines
661 B
Python

# test groups, and nested groups
try:
import ure as re
except ImportError:
try:
import re
except ImportError:
print("SKIP")
raise SystemExit
def print_groups(match):
print("----")
try:
i = 0
while True:
print(match.group(i))
i += 1
except IndexError:
pass
m = re.match(r"(([0-9]*)([a-z]*)[0-9]*)", "1234hello567")
print_groups(m)
m = re.match(r"([0-9]*)(([a-z]*)([0-9]*))", "1234hello567")
print_groups(m)
# optional group that matches
print_groups(re.match(r"(a)?b(c)", "abc"))
# optional group that doesn't match
print_groups(re.match(r"(a)?b(c)", "bc"))