title: How to check whether string might be type-cast to float in Python?
body: <p>Is there some function like <code>str.isnumeric</code> but applicable to float?  </p>
  
  <pre><code>'13.37'.isnumeric() #False  
  </code></pre>
  
  <p>I still use this:  </p>
  
  <pre><code>def isFloat(string):
      try:
          float(string)
          return True
      except ValueError:
          return False
  </code></pre>