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try:
import ure as re
except ImportError:
try:
import re
except ImportError:
print('SKIP')
raise SystemExit
try:
re.sub
except AttributeError:
print('SKIP')
raise SystemExit
def multiply(m):
return str(int(m.group(0)) * 2)
print(re.sub("\d+", multiply, "10 20 30 40 50"))
print(re.sub("\d+", lambda m: str(int(m.group(0)) // 2), "10 20 30 40 50"))
def A():
return "A"
print(re.sub('a', A(), 'aBCBABCDabcda.'))
print(
re.sub(
r'def\s+([a-zA-Z_][a-zA-Z_0-9]*)\s*\(\s*\):',
'static PyObject*\npy_\\1(void){\n return;\n}\n',
'\n\ndef myfunc():\n\ndef myfunc1():\n\ndef myfunc2():'
)
)
print(
re.compile(
'(calzino) (blu|bianco|verde) e (scarpa) (blu|bianco|verde)'
).sub(
r'\g<1> colore \2 con \g<3> colore \4? ...',
'calzino blu e scarpa verde'
)
)
# no matches at all
print(re.sub('a', 'b', 'c'))
# with maximum substitution count specified
print(re.sub('a', 'b', '1a2a3a', 2))
# invalid group
try:
re.sub('(a)', 'b\\2', 'a')
except:
print('invalid group')
# invalid group with very large number (to test overflow in uPy)
try:
re.sub('(a)', 'b\\199999999999999999999999999999999999999', 'a')
except:
print('invalid group')
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