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