def list_filter(pattern, iter, flags=0):
"""Use regular expression patterns to filter a list of strings
Args:
pattern (str|list): String or list of strings of regular expression patterns.
iter (list): List of strings to be filtered. Can be any iterable object that can be iterated in a for-loop.
flags (int): See :py:mod:`re`
Returns:
list: List of matching strings.
"""
if is_list(pattern):
pass
elif is_str(pattern):
pattern = [pattern]
else:
raise TypeError("'pattern' must be a string or list of strings")
if not is_list(iter):
raise TypeError("'iter' must be a list of strings")
re_filters = []
for p in pattern:
re_filters.append(re.compile(p, flags))
matches = []
for s in iter:
for f in re_filters:
if f.match(s):
matches.append(s)
break
return matches
def list_filter(pattern, iter, flags=0):
"""Use regular expression patterns to filter a list of strings
Args:
pattern (str|list): String or list of strings of regular expression patterns.
iter (list): List of strings to be filtered. Can be any iterable object that can be iterated in a for-loop.
flags (int): See :py:mod:`re`
Returns:
list: List of matching strings.
"""
if is_list(pattern):
pass
elif is_str(pattern):
pattern = [pattern]
else:
raise TypeError("'pattern' must be a string or list of strings")
if not is_list(iter):
raise TypeError("'iter' must be a list of strings")
re_filters = []
for p in pattern:
re_filters.append(re.compile(p, flags))
matches = []
for s in iter:
for f in re_filters:
if f.match(s):
matches.append(s)
break
return matches
def str_split_caps(s, trim=True):
"""Split a string on capital letters
Args:
s (str): The string to be divided. Value type is converted to string.
trim (bool): Remove whitespace. Defaults to True.
Returns:
list: List of strings, each starting with a capital letter, in the same order as they appear in the string.
"""
if not is_str(s): raise TypeError("'s' must be a string")
if not is_bool(trim): raise TypeError("'trim' must be True or False")
result = re.findall('[A-Z][^A-Z]*', s)
if trim:
result_trim = []
for w in result:
result_trim.append(w.strip())
result = result_trim
return result
def str_split_caps(s, trim=True):
"""Split a string on capital letters
Args:
s (str): The string to be divided. Value type is converted to string.
trim (bool): Remove whitespace. Defaults to True.
Returns:
list: List of strings, each starting with a capital letter, in the same order as they appear in the string.
"""
if not is_str(s): raise TypeError("'s' must be a string")
if not is_bool(trim): raise TypeError("'trim' must be True or False")
result = re.findall('[A-Z][^A-Z]*', s)
if trim:
result_trim = []
for w in result:
result_trim.append(w.strip())
result = result_trim
return result
