module re2.re2

Short summary

module wrapclib.re2.re2

Copyright (c) 2010, David Reiss and Facebook, Inc. All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright

notice, this list of conditions and the following disclaimer.

  • Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

  • Neither the name of Facebook nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

source on GitHub

Functions

function

truncated documentation

compile

Compiles a regular expression pattern, returning a pattern object.

findall

Implements method re.findall for re2 in Python.

fullmatch

Tries to apply the pattern to the entire string, returning a match object, or None if no match was found.

match

Tries to apply the pattern at the start of the string, returning a match object, or None if no match was found.

search

Scans through string looking for a match to the pattern, returning a match object, or None if no match was found.

Documentation

Copyright (c) 2010, David Reiss and Facebook, Inc. All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright

notice, this list of conditions and the following disclaimer.

  • Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

  • Neither the name of Facebook nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

source on GitHub

wrapclib.re2.re2.Set

alias of RE2_Set

wrapclib.re2.re2._compile()
wrapclib.re2.re2.compile(pattern)

Compiles a regular expression pattern, returning a pattern object.

exception wrapclib.re2.re2.error(msg, pattern=None, pos=None)

Bases: Exception

Exception raised for invalid regular expressions.

Attributes:

msg: The unformatted error message pattern: The regular expression pattern pos: The index in the pattern where compilation failed (may be None) lineno: The line corresponding to pos (may be None) colno: The column corresponding to pos (may be None)

__init__(msg, pattern=None, pos=None)
wrapclib.re2.re2.escape()

Escape all potentially meaningful regexp characters.

wrapclib.re2.re2.findall(pattern, string, pos=0, endpos=-1)

Implements method re.findall for re2 in Python.

Parameters:

  • pattern – compiled regular expression

  • string – string to search

  • pos – first position to look into

  • endpos – last position to look into (-1 for the last one)

Returns:

list of results

Example of findall

A quick example with method findall.

<<<

from wrapclib import re2

s = "date 0 : 14/9/2000 date 1 : 20/04/1971 "

reg = re2.compile(
    "([0-3]?[0-9]/[0-1]?[0-9]/([0-2][0-9])?[0-9][0-9])[^\d]")

fall = re2.findall(reg, s)
print(fall)

>>>

    [('14/9/2000', '20'), ('20/04/1971', '19')]

source on GitHub

wrapclib.re2.re2.fullmatch(pattern, string)

Tries to apply the pattern to the entire string, returning a match object, or None if no match was found.

source on GitHub

wrapclib.re2.re2.match(pattern, string)

Tries to apply the pattern at the start of the string, returning a match object, or None if no match was found.

source on GitHub

wrapclib.re2.re2.search(pattern, string, pos=0, endpos=-1)

Scans through string looking for a match to the pattern, returning a match object, or None if no match was found.

source on GitHub