22 lines
356 B
Python
22 lines
356 B
Python
import re
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NUM_OR_DOT_REGEX = re.compile(r'^[0-9.]$')
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def isNumOrDot(string: str):
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return bool(NUM_OR_DOT_REGEX.search(string))
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def isValidNumber(string: str):
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valid = False
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try:
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float(string)
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valid = True
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except ValueError:
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valid = False
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return valid
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def isEmpty(string: str):
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return len(string) == 0
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