string to float in python code example

Example 1: extract float from string python

>>> re.findall(r"[-+]?\d*\.\d+|\d+", "Current Level: -13.2 db or 14.2 or 3")
['-13.2', '14.2', '3']

Example 2: string to float python

# Use the function float() to turn a string into a float
string = '123.456'
number = float(string)
number
# Output:
# 123.456

Example 3: convert string to float python

>>> number='1.1'
>>> float(number)
1.1

Example 4: convert string to float python

string = "88.88"
print(float(string))
# output
# 88.88

Example 5: string to float in python

float(str)
#ValueError in case of invalid entry like "abc" "12c"