go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/lucicfg/starlark/stdlib/internal/re.star (about)

     1  # Copyright 2018 The LUCI Authors.
     2  #
     3  # Licensed under the Apache License, Version 2.0 (the "License");
     4  # you may not use this file except in compliance with the License.
     5  # You may obtain a copy of the License at
     6  #
     7  #      http://www.apache.org/licenses/LICENSE-2.0
     8  #
     9  # Unless required by applicable law or agreed to in writing, software
    10  # distributed under the License is distributed on an "AS IS" BASIS,
    11  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  # See the License for the specific language governing permissions and
    13  # limitations under the License.
    14  
    15  """API for checking regular expressions."""
    16  
    17  def _submatches(pattern, str):
    18      """Returns a tuple of submatches of the regular expression.
    19  
    20      The returned tuple has the full match as a first item, followed by
    21      subexpression matches.
    22  
    23      If the string doesn't match the expression returns an empty tuple. Fails if
    24      the regular expression can't be compiled.
    25      """
    26      return __native__.re_submatches(pattern, str)
    27  
    28  # Public API of this module.
    29  re = struct(
    30      submatches = _submatches,
    31  )