def regex_replace(input, pattern, rewrite, replace_global=True, name=None):
r"""Replace elements of `input` matching regex `pattern` with `rewrite`.
Args:
input: string `Tensor`, the source strings to process.
pattern: string or scalar string `Tensor`, regular expression to use,
see more details at https://github.com/google/re2/wiki/Syntax
rewrite: string or scalar string `Tensor`, value to use in match
replacement, supports backslash-escaped digits (\1 to \9) can be to insert
text matching corresponding parenthesized group.
replace_global: `bool`, if `True` replace all non-overlapping matches,
else replace only the first match.
name: A name for the operation (optional).
Returns:
string `Tensor` of the same shape as `input` with specified replacements.
"""
if (isinstance(pattern, util_compat.bytes_or_text_types) and
isinstance(rewrite, util_compat.bytes_or_text_types)):
# When `pattern` and `rewrite` are static through the life of the op we can
# use a version which performs the expensive regex compilation once at
# creation time.
return gen_string_ops.static_regex_replace(
input=input, pattern=pattern,
rewrite=rewrite, replace_global=replace_global,
name=name)
return gen_string_ops.regex_replace(
input=input, pattern=pattern,
rewrite=rewrite, replace_global=replace_global,
name=name)
def regex_replace(source, pattern, rewrite, replace_global=True):
r"""Replace elements of `source` matching regex `pattern with `rewrite`.
Args:
source: string `Tensor`, the source strings to process.
pattern: string or scalar string `Tensor`, regular expression to use,
see more details at https://github.com/google/re2/wiki/Syntax
rewrite: string or scalar string `Tensor`, value to use in match
replacement, supports backslash-escaped digits (\1 to \9) can be to insert
text matching corresponding parenthesized group.
replace_global: `bool`, if `True` replace all non-overlapping matches,
else replace only the first match.
Returns:
string `Tensor` of the same shape as `source` with specified replacements.
"""
# TODO(b/112455102): Remove compat.forward_compatible once past the horizon.
if not compat.forward_compatible(2018, 10, 10):
return gen_string_ops.regex_replace(
input=source, pattern=pattern,
rewrite=rewrite, replace_global=replace_global)
if (isinstance(pattern, util_compat.bytes_or_text_types) and
isinstance(rewrite, util_compat.bytes_or_text_types)):
# When `pattern` and `rewrite` are static through the life of the op we can
# use a version which performs the expensive regex compilation once at
# creation time.
return gen_string_ops.static_regex_replace(
input=source, pattern=pattern,
rewrite=rewrite, replace_global=replace_global)
return gen_string_ops.regex_replace(
input=source, pattern=pattern,
rewrite=rewrite, replace_global=replace_global)
