ref: 1d891d163e814a93ee5346cf05b4fac297bf3a5c
dir: /sys/src/cmd/hg/mercurial/strutil.py/
# strutil.py - string utilities for Mercurial # # Copyright 2006 Vadim Gelfer <[email protected]> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2, incorporated herein by reference. def findall(haystack, needle, start=0, end=None): if end is None: end = len(haystack) if end < 0: end += len(haystack) if start < 0: start += len(haystack) while start < end: c = haystack.find(needle, start, end) if c == -1: break yield c start = c + 1 def rfindall(haystack, needle, start=0, end=None): if end is None: end = len(haystack) if end < 0: end += len(haystack) if start < 0: start += len(haystack) while end >= 0: c = haystack.rfind(needle, start, end) if c == -1: break yield c end = c - 1