How can I check if a string has a numeric value in it in Python? [duplicate]
Use the .isdigit() method:
>>> '123'.isdigit()True>>> '1a23'.isdigit()FalseQuoting the documentation:
Return true if all characters in the string are digits and there is at least one character, false otherwise.
For unicode strings or Python 3 strings, you'll need to use a more precise definition and use the unicode.isdecimal() / str.isdecimal() instead; not all Unicode digits are interpretable as decimal numbers. U+00B2 SUPERSCRIPT 2 is a digit, but not a decimal, for example.