# timeit_regex_vs_replace.py

# timeit_regex_vs_replace.py

import re
import timeit

# Method #1 (string ops)
sss = "hello@abc123xyz = test sample"
def stringOps():
    s=sss
    replaceChar = s.split('@')[1].split(' ')[0]
    s = s.split('=')[0].replace(replaceChar, "world >>> ['{0}'] #1".format(replaceChar)).strip()
    if not r: r.append([sss,s])

# Method #2 (regex)
def regex():
    s=sss
    s = re.sub(r'(\w+)(\s*=.*\w+$)', r"world >>> ['\1'] #2", s)
    if not r: r.append([sss,s])

iterations = 100000
fn = 'stringOps','regex'
t = {}
for z in [0,1]:
    r = []
    repeat = []
    for n in range(5):
        t = 'from __main__ import %s; %s()'%(fn[z],fn[z])
        ttt = timeit.Timer(t)
        t = ttt.timeit(iterations)
        repeat += [t]
    t = min(repeat)
    print r[0][0]
    print r[0][1]
    print 'Method #{} took {} seconds : best out of {}'.format(z+1,t,len(repeat))
    print