digitalmars.D.learn - failing regex
- yawniek (53/53) Nov 23 2015 regex from
- Rikki Cattermole (3/57) Nov 23 2015 Its the: \!
regex from https://github.com/ua-parser/uap-core/blob/master/regexes.yaml#L38 seems to work in other languages, not so in D: auto r2 = r"(?:\/[A-Za-z0-9\.]+)? *([A-Za-z0-9 _\!\[\]:]*(?:[Aa]rchiver|[Ii]ndexer|[Ss]craper|[Bb]ot|[Ss]pi er|[Cc]rawl[a-z]*)) (\d+)(?:\.(\d+)(?:\.(\d+))?)?".regex(); ( https://gist.github.com/4334e35e68497c0517db ) results in ``` dmd -run failing_regex.d std.regex.internal.ir.RegexException /usr/local/Cellar/dmd/2.069.0/include/d2/std/regex/inte nal/parser.d(1392): invalid escape sequence Pattern with error: `(?:\/[A-Za-z0-9\.]+)? *([A-Za-z0-9 _\!` <--HERE-- `\[\]:]*(?:[Aa]rchiver|[Ii]ndexer|[Ss]craper|[Bb]ot|[Ss]pider|[Cc]rawl[a-z]*)) (\d+)(?:\.(\d+)(?:\.(\d+))?)?` ---------------- 4 dmd_run68HuB5 0x00000001044d211d trusted void std.regex.internal.parser.Parser!(immutable(char)[]).Parser.erro (immutable(char)[]) + 297 5 dmd_run68HuB5 0x00000001044da604 ref trusted std.regex.internal.parser.Parser!(immutable(char)[]).Parser std.regex.internal.parser.Parser!(immutable(char)[]).Parser.__ctor!(const(char)[]).__cto (immutable(char)[], const(char)[]) + 160 6 dmd_run68HuB5 0x00000001044cc732 safe std.regex.internal.ir.Regex!(char).Regex std.regex.regexImpl!(immutable(char)[]).regexImpl(immutable(char)[], const(char)[]) + 86 7 dmd_run68HuB5 0x00000001044e944f std.regex.internal.ir.Regex!(char).Regex std.functional.__T7memoizeS95_D3std5regex18__T9regexImplTAyaZ9regexImplFNfAyaAxaZS3std5regex8internal2ir12__T5RegexTaZ5RegexVii8Z.memoiz (immutable(char)[], const(char)[]) + 475 8 dmd_run68HuB5 0x00000001044cc6bc trusted std.regex.internal.ir.Regex!(char).Regex std.regex.regex!(immutable(char)[]).regex(immutable(char)[], const(char)[]) + 64 9 dmd_run68HuB5 0x00000001044cc5de _Dmain + 46 10 dmd_run68HuB5 0x0000000104509ac3 D2rt6dmain211_d_run_mainUiPPaPUAAaZiZ6runAllMFZ9__lambda1MFZv + 39 11 dmd_run68HuB5 0x00000001045099fb void rt.dmain2._d_run_main(int, char**, extern (C) int function(char[][])*).tryExec(scope void delegate()) + 55 12 dmd_run68HuB5 0x0000000104509a68 void rt.dmain2._d_run_main(int, char**, extern (C) int function(char[][])*).runAll() + 44 13 dmd_run68HuB5 0x00000001045099fb void rt.dmain2._d_run_main(int, char**, extern (C) int function(char[][])*).tryExec(scope void delegate()) + 55 14 dmd_run68HuB5 0x000000010450994d _d_run_main + 497 15 dmd_run68HuB5 0x00000001044cc677 main + 15 16 libdyld.dylib 0x00007fff8e5185c8 start + 0 17 ??? 0x0000000000000000 0x0 + 0 ``` bug or did i do something wrong?
Nov 23 2015
Rikki Cattermole <alphaglosined gmail.com> On 23/11/15 9:30 PM, yawniek wrote:regex from https://github.com/ua-parser/uap-core/blob/master/regexes.yaml#L38 seems to work in other languages, not so in D: auto r2 = r"(?:\/[A-Za-z0-9\.]+)? *([A-Za-z0-9 _\!\[\]:]*(?:[Aa]rchiver|[Ii]ndexer|[Ss]craper|[Bb]ot|[Ss]pider|[Cc]rawl[a-z]*)) (\d+)(?:\.(\d+)(?:\.(\d+))?)?".regex(); ( https://gist.github.com/4334e35e68497c0517db ) results in ``` dmd -run failing_regex.d std.regex.internal.ir.RegexException /usr/local/Cellar/dmd/2.069.0/include/d2/std/regex/internal/parser.d(1392): invalid escape sequence Pattern with error: `(?:\/[A-Za-z0-9\.]+)? *([A-Za-z0-9 _\!` <--HERE-- `\[\]:]*(?:[Aa]rchiver|[Ii]ndexer|[Ss]craper|[Bb]ot|[Ss]pider|[Cc]rawl[a-z]*)) (\d+)(?:\.(\d+)(?:\.(\d+))?)?` ---------------- 4 dmd_run68HuB5 0x00000001044d211d trusted void std.regex.internal.parser.Parser!(immutable(char)[]).Parser.error(immutable(char)[]) + 297 5 dmd_run68HuB5 0x00000001044da604 ref trusted std.regex.internal.parser.Parser!(immutable(char)[]).Parser std.regex.internal.parser.Parser!(immutable(char)[]).Parser.__ctor!(const(char)[]).__ctor(immutable(char)[], const(char)[]) + 160 6 dmd_run68HuB5 0x00000001044cc732 safe std.regex.internal.ir.Regex!(char).Regex std.regex.regexImpl!(immutable(char)[]).regexImpl(immutable(char)[], const(char)[]) + 86 7 dmd_run68HuB5 0x00000001044e944f std.regex.internal.ir.Regex!(char).Regex std.functional.__T7memoizeS95_D3std5regex18__T9regexImplTAyaZ9regexImplFNfAyaAxaZS3std5regex8internal2ir12__T5RegexTaZ5RegexVii8Z.memoize(immutable(char)[], const(char)[]) + 475 8 dmd_run68HuB5 0x00000001044cc6bc trusted std.regex.internal.ir.Regex!(char).Regex std.regex.regex!(immutable(char)[]).regex(immutable(char)[], const(char)[]) + 64 9 dmd_run68HuB5 0x00000001044cc5de _Dmain + 46 10 dmd_run68HuB5 0x0000000104509ac3 D2rt6dmain211_d_run_mainUiPPaPUAAaZiZ6runAllMFZ9__lambda1MFZv + 39 11 dmd_run68HuB5 0x00000001045099fb void rt.dmain2._d_run_main(int, char**, extern (C) int function(char[][])*).tryExec(scope void delegate()) + 55 12 dmd_run68HuB5 0x0000000104509a68 void rt.dmain2._d_run_main(int, char**, extern (C) int function(char[][])*).runAll() + 44 13 dmd_run68HuB5 0x00000001045099fb void rt.dmain2._d_run_main(int, char**, extern (C) int function(char[][])*).tryExec(scope void delegate()) + 55 14 dmd_run68HuB5 0x000000010450994d _d_run_main + 497 15 dmd_run68HuB5 0x00000001044cc677 main + 15 16 libdyld.dylib 0x00007fff8e5185c8 start + 0 17 ??? 0x0000000000000000 0x0 + 0 ``` bug or did i do something wrong?Its the: \! Don't escape !.
Nov 23 2015