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cba北京队赛程 :׃Bt(\w)((?=\1\1\1)(\1))+v

cba㶫 www.axwwg.com  •rg2020-02-26 19:43:02   ߣ   ҪuՓ(0)

@t@Wվ //www.regexlab.com/zh/regref.htm
A"(?=xxxxx)""(?!xxxxx)"
ʽ"(?=xxxxx)"ڱƥַ

@t@Wվ //www.regexlab.com/zh/regref.htm

A"(?=xxxxx)""(?!xxxxx)"

ʽ"(?=xxxxx)"ڱƥַ̎ "p϶" "^" ӵėlǣڿp϶҂܉ƥ xxxxx @ֵı_ʽֻڴ@p϶ϸӵėlӰ푺߅ı_ʽȥƥ@p϶ַ֮@ "\b"ƥκַ"\b" ֻnjڿp϶֮ǰַ֮ȡMһДӰ푺߅ı_ʽƥ

cyԇ e1_ʽ "Windows (?=NT|XP)" ƥ "Windows 98, Windows NT, Windows 2000" rֻƥ "Windows NT" е "Windows " "Windows " ֘ӄtƥ

cyԇ e2_ʽ "(\w)((?=\1\1\1)(\1))+" ƥַ "aaa ffffff 999999999" rƥ6"f"ǰ4ƥ9"9"ǰ7@_ʽxɣ؏4ϵĸtƥʣ2λ֮ǰIJȻ@_ʽԲ@ӌڴ˵Ŀʾ֮

ӣ 999999999 666666

1(\w)((?=\1\1\1)(\1))+

+̖˼һ ˼ 666666֮ƥǰĂ6999999999ֻƥǰ7淴Ҫɂ
(?=\1\1)ÿֻƥɂC҂99ÿζȡɂÿζ֮ǰһ

(\w)((?=\1\1\1)(\1))+999999999 ЌHDZƥ6
һΣ(\w)ȡһ9(?=\1\1\1)޶2949(\1)ȡ29õ99
ڶΣ(?=\1\1\1)޶3959(\1)ȡ39õ999
Σ(?=\1\1\1)޶4969(\1)ȡ49õ9999
ĴΣ(?=\1\1\1)޶5979(\1)ȡ59õ99999
Σ(?=\1\1\1)޶6989(\1)ȡ69õ999999
Σ(?=\1\1\1)޶7999(\1)ȡ79õ9999999

2(\w)((\1)(?=\1\1))+

һ \wȡһ9\1ȡ19 99 oɂ9ŷϗl еһξ99
ڶ ĵ39Ă9 _ʼ\1 ȡһ 999
ƥĵ4-69   ȡһ 9999
Ĵ ĵ5-79ȡһ ȡһ99999
ĵ6-89 ȡһ   999999
ĵ7-99 ԝMȡһ 9999999
ߴ  8_ʼ҂ѽ9ȡƥƥ֮ǰ79

3 (?<=<(\w+)>).*(?=<\/\1>)

Ԕ£?<=?=ʾ㌒һƥһƥǰ
༴.*ǰҪ<(\w+)>Ҫ<\/\1>
㌒ԲwFKƥY
ټ<(\w+)>ƥ<tag>\wʾĸ„<\/\1>\/ƥб/
\1ʾ@M༴t_ʽ߅_ʼĵһС̖еăע@ﲻ㌒Ե̖бʾ(\w+)еIJ
g.*ʾǓQз

Y£ƥ<tag>content</tag>ʽеcontent

^^yԇW퓰jsƥ䲻߀Regex Match Tracerб^]dW

W퓰濴Ч

ܛͿ

дʹõĕrҪyԇZǷ֧

t_ʽ÷һ_

1 '.*' ֽǰ̖еăݿԄ֞  <=' <(\w+)>',С<(\w+)>'ʾƥ̖ĸֻ„ă<span>߀Ҫӂ̖ҪFֽM<='õ㌒Zʾǔඨ<(\w+)>'л]Ѓcݵg􌒶Ȟ
2ٿ' .* 'IJ̖ăݿԷ֞ =' <(\/\1>',С='㌒Աʾƥ䡮<(\/\1>'ǰIJڡ<(\/\1>'\/'ƥ䡮/'̖</span>,@ЩͬW̫ס\1'ʲô˼@õDz@ֽM˼ᵽġ<(\w+)>'ӂС̖ͱʾһֽMt_ʽķֽMY 0ʾƥ1ʾǵ1ӷֽM@'\1'ָľǰĵһֽM<(\w+)>'\2ʾ؏͵2\nʾ؏͵n
3.* ͱ^ʾƥ ˓Qзַ0λ
Cı_ʽƥhtml˺@Nݵ<body>t</body>

_֮СĴ㌢stylespanQյt

str=str.replace(/<span\s*?(?!:style)>(.[^<>]*)<\/span>/ig,"$1");

õҪеăݶy

Pyԇ

JavaScriptt_ʽھyԇ

Regex Match Tracer

@ҷ@ׂ߼Ҏt

AƥAƥ
ǰ¹vˎׂx̖"^""$""\b"һͬcǾǣƥκַֻnj "ַă^" "ַ֮gĿp϶" һl⵽@Ժ^mBһN "^" "p϶" ӗl`ıʾ

A"(?=xxxxx)""(?!xxxxx)"

ʽ"(?=xxxxx)"ڱƥַ̎ "p϶" "^" ӵėlǣڿp϶҂܉ƥ xxxxx @ֵı_ʽֻڴ@p϶ϸӵėlӰ푺߅ı_ʽȥƥ@p϶ַ֮@ "\b"ƥκַ"\b" ֻnjڿp϶֮ǰַ֮ȡMһДӰ푺߅ı_ʽƥ

cyԇ e1_ʽ "Windows (?=NT|XP)" ƥ "Windows 98, Windows NT, Windows 2000" rֻƥ "Windows NT" е "Windows " "Windows " ֘ӄtƥ

cyԇ e2_ʽ "(\w)((?=\1\1\1)(\1))+" ƥַ "aaa ffffff 999999999" rƥ6"f"ǰ4ƥ9"9"ǰ7@_ʽxɣ؏4ϵĸtƥʣ2λ֮ǰIJȻ@_ʽԲ@ӌڴ˵Ŀʾ֮

ʽ"(?!xxxxx)"ڿp϶҂횲ƥ xxxxx @ֱ_ʽ

cyԇ e3_ʽ "((?!\bstop\b).)+" ƥ "fdjka ljfdl stop fjdsla fdj" r^һֱƥ䵽 "stop" ֮ǰλַЛ] "stop"tƥַ

cyԇ e4_ʽ "do(?!\w)" ƥַ "done, do, dog" rֻƥ "do"ڱle"do" ߅ʹ "(?!\w)" ʹ "\b" Чһӵ

A"(?<=xxxxx)""(?<!xxxxx)"

@ɷNʽĸAƵAҪėlǣڿp϶ ""ɷNʽքeҪ܉ƥͱ횲܉ƥָ_ʽȥД҂c "A" һӵǣnjڿp϶һNӗlƥκַ

e5_ʽ "(?<=\d{4})\d+(?=\d{4})" ƥ "1234567890123456" rƥǰ4ֺͺ4֮g8 JScript.RegExp ַ֧Ale܉Mʾַ֧ܶA磺Java 1.4 ϵ java.util.regex .NET System.Text.RegularExpressions gԼվ]õ DEELX t

@ƪPڳ׃Bt(\w)((?=\1\1\1)(\1))+v¾ͽB@,Pt_ʽ߼ҎtՈ_֮ǰ»PϣԺ֧_֮

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