10 examples of 'python string replace regex' in Python

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def replace(string, old, new):
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    return string.replace(old, new)

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def regex_replace(value, pattern, replacement, ignorecase=False, multiline=False):
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    """Do a regex search and replace on 'value'"""
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    flags = 0
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    if ignorecase:
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        flags |= re.I
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    if multiline:
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        flags |= re.M
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    compiled_pattern = re.compile(pattern, flags=flags)
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    return compiled_pattern.sub(replacement, str(value))

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def regexReplace(regex,replaceString,inputString,regexOpts):
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    retVal = inputString
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    match = re.search(regex,inputString,regexOpts)
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    if match:
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        retVal = inputString[:match.start(0)] + replaceString + inputString[match.end(0):]
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    return retVal

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def string_replace(state):
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	'''
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	In third string on stack, replaces all occurences of second string with first string
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	'''
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	if len(state.stacks['_string']) > 2:
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		replace_this = state.stacks['_string'].stack_ref(1)
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		with_this = state.stacks['_string'].stack_ref(0)
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		in_this = state.stacks['_string'].stack_ref(2)
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		new_string = in_this.replace(replace_this, with_this)
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		state.stacks['_string'].pop_item()
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		state.stacks['_string'].pop_item()
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		state.stacks['_string'].pop_item()
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		state.stacks['_string'].push_item(new_string)
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	return state

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def RegexEscape(str):
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	return str.replace('\\', '\\\\')

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@register.filter
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def replace(str_to_replace, args):
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  """Performs arbitrary string transformations on template fields.
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  If you need to perform a transformation which contains a control character
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  or a set of quotes, you will need to create a custom filter below, because
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  Django does not support escape characters in their filter parameters.
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  Args:
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    str_to_replace: the string to be transformed.
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    args: "/old/new" replaces old with new.
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  Returns:
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    The string with the specified replacement.
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  """
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  if str_to_replace is None:
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    return None
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  search_str = args.split(args[0])[1]
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  replace_str = args.split(args[0])[2]
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  return str_to_replace.replace(search_str, replace_str)

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def _compile(self, use_regex, flags):
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    super(Replacement, self)._compile(use_regex, flags)
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    precompile_exceptions(self.exceptions, use_regex, flags)

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def replace(s, old, new, maxsplit=None):
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    if maxsplit is None:
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        return s.replace(old, new)
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    else:
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        return s.replace(old, new, maxsplit)

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def replace(self, text):
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    # 过滤特殊字符
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    s = re.sub(r"[^a-zA-Z\d',.!?$:-]+", r" ", text)
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    # 拆分缩写
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    for (pattern, repl) in self.patterns:
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        s = re.sub(pattern, repl, s)
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    # 拆分标点
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    text = []
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    for fragment in s.split():
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        text.extend(re.split(self._WORD_SPLIT, fragment))
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    return ' '.join(text)

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def replace(data, replacements):
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    """
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    Performs several string substitutions on the initial ``data`` string using
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    a list of 2-tuples (old, new) defining substitutions and returns the resulting
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    string.
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    """
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    return reduce(lambda a, kv: a.replace(*kv), replacements, data)