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# test start and end pos specification
try:
import re
except ImportError:
print("SKIP")
raise SystemExit
def print_groups(match):
print("----")
try:
if match is not None:
i = 0
while True:
print(match.group(i))
i += 1
except IndexError:
pass
p = re.compile(r"o")
m = p.match("dog")
print_groups(m)
m = p.match("dog", 1)
print_groups(m)
m = p.match("dog", 2)
print_groups(m)
# No match past end of input
m = p.match("dog", 5)
print_groups(m)
m = p.match("dog", 0, 1)
print_groups(m)
# Caret only matches the actual beginning
p = re.compile(r"^o")
m = p.match("dog", 1)
print_groups(m)
# End at beginning means searching empty string
p = re.compile(r"o")
m = p.match("dog", 1, 1)
print_groups(m)
# End before the beginning doesn't match anything
m = p.match("dog", 2, 1)
print_groups(m)
# Negative starting values don't crash
m = p.search("dog", -2)
print_groups(m)
m = p.search("dog", -2, -5)
print_groups(m)
# Search also works
print("--search")
p = re.compile(r"o")
m = p.search("dog")
print_groups(m)
m = p.search("dog", 1)
print_groups(m)
m = p.search("dog", 2)
print_groups(m)
# Negative starting values don't crash
m = p.search("dog", -2)
print_groups(m)
m = p.search("dog", -2, -5)
print_groups(m)
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