Regex Samples

regex.py

"""
Ref: https://regexr.com/
"""

import re

# Sample 1 - Finding between two chars
str1 = 'M 50.77925000000002 398.604 a 2.5 2.5 0 1 0 5 0 a 2.5 2.5 0 1 0 -5 0' # find string between 'M' and 'a'
str2 = 'M226.31525000000002,401.996a2.5,2.5 0 1,0 5,0a2.5,2.5 0 1,0 -5,0'
out1 = [s.strip() for s in re.findall(r'M([\d,. ]+)a', str1)]
out2 = [s.strip() for s in re.findall(r'M([\d,. ]+)a', str2)]

# Sample 2 - Extract floating point numbers
str1 = '226.31525000000002,401.996'
str2 = '50.77925000000002 398.604'
out1 = [float(s) for s in re.findall(r'[\d]*\.+[\d]*', str1)]
out2 = [float(s) for s in re.findall(r'[\d]*\.+[\d]*', str2)]