问题
As I've been asked here Deleting all regex instances starting with char '[' and ending with char ']' from a String. I want to delete all the regex's between any opening [ and closing ] in a String.
The answer i used is myString = myString .replaceAll("\\[([\\w\\%\\@]+)\\]","");. provided by @cuong hoang. Now the method is working well with most of the Srtring's but It's making some problems with this String:
"[Intro:]\r\n" +
"[Tuning Tv]\r\n" +
"[Eminem Snortin Crack]\r\n" +
"\r\n" +
"[Tv Presenter:]\r\n" +
"Hello boys and girls\r\n" +
"Today we're gonna talk about father and daughter relationships\r\n" +
"Do you have a daddy?\r\n" +
"I'll bet you do\r\n" +
"[Door opens]\r\n" +
"who's your daddy?\r\n" +
"\r\n" +
"[Hailie:]\r\n" +
"Daddy, what're you doing?\r\n" +
"\r\n" +
"Beat starts\r\n" +
"\r\n" +
"[Eminem:]\r\n" +
"Haha\r\n" +
"\r\n" +
"[Eminem & Hailie:]\r\n" +
"Ok then! everybody, listen up!\r\n" +
"\r\n" +
"[Eminem:]\r\n" +
"I'm goin to hell, who's comin' with me?\r\n" +
"\r\n" +
"[Hailie:]\r\n" +
"Somebody, please help him!\r\n" +
"[giggle]\r\n" +
"i think my dad gone crazy!\r\n" +
"\r\n" +
"[Verse #1:]\r\n" +
"There's no mountain i can't climb\r\n" +
"There's no tower too high,\r\n" +
"No plane that i can't learn how to fly\r\n" +
"What do i gotta do to get through to you, destroy you\r\n" +
"There ain't nothing i can't take this chainsaw to\r\n" +
"[Hailey Makes Chainsaw Sound]\r\n" +
"Fuckin' brain's brawn, and brass balls\r\n" +
"I cut 'em off, i got 'em pickled and bronzed in a glass jar\r\n" +
"Inside of a hall, with my framed autograph,\r\n" +
"Sunglasses with elton john's name, on my drag wall\r\n" +
"I'm out the closet, i been lying my ass off\r\n" +
"All this time, me and dre been fucking with hats off\r\n" +
"\r\n" +
"[Dr Dre:]\r\n" +
"Suck it marshall\r\n" +
"\r\n" +
"[Eminem:]\r\n" +
"Tell laura and her husband to back off\r\n" +
"Before i push this motherfucking button and blast off\r\n" +
"And launch one of these russians, and that's all\r\n" +
"[Hailie Makes Explosion Sound]\r\n" +
"Blow every fucking thing, except afghanistan on the map, off\r\n" +
"We wanna stop, we wanna knock the crap off\r\n" +
"[Knocking]\r\n" +
"Haley, tell 'em baby\r\n" +
"\r\n" +
"[Haley:]\r\n" +
"My dad's lost it\r\n" +
"\r\n" +
"[Chorus:]\r\n" +
"[Eminem:]\r\n" +
"There's really nothin' else to say ha, i can't explain it\r\n" +
"\r\n" +
"[Hailie:]\r\n" +
"I think my dad gone crazy!\r\n" +
"\r\n" +
"[Eminem:]\r\n" +
"A little help from hailie jade would, should tell them maybe\r\n" +
"\r\n" +
"[Hailie:]\r\n" +
"I think my dad gone crazy!\r\n" +
"\r\n" +
"[Eminem:]\r\n" +
"Theres nothing you could do to save it, could ever change me\r\n" +
"\r\n" +
"[Hailie:]\r\n" +
"I think my dad gone crazy!\r\n" +
"\r\n" +
"[Eminem:]\r\n" +
"There's noone on earth that can save me, not even halie\r\n" +
"\r\n" +
"[Hailie:]\r\n" +
"I think my dad gone crazy!\r\n" +
"\r\n" +
"[Verse 2:]\r\n" +
"It's like my mother always told me\r\n" +
"[Eminem Impersinates His Mom]\r\n" +
"Rnrnrnrnrnrrrr, n codeine n goddamit, you little motherfucker\r\n" +
"If you aint got nothin' nice to say then don't say nothin'\r\n" +
"Er..\r\n" +
"Fuck that shit, bitch, eat a motherfuckin' dick\r\n" +
"Chew on a prick, and lick a million motherfuckin' cocks for second\r\n" +
"I'd rather put out a motherfucking gospel record\r\n" +
"I'd rather be a pussy-whipped bitch, eat pussy\r\n" +
"And have pussy-lips glued to my face with a clit-ring in my nose\r\n" +
"Then quit bringin my flos, quit giving me my ammo\r\n" +
"Can't you see why i'm so mean? if y'all leave me alone, this wouldn't be my ammo\r\n" +
"I wouldn't have to go eenie meenie minie mo\r\n" +
"Catch a homo by his toe, man i don't know no more\r\n" +
"Am i the only fuckin one who's normal any more?\r\n" +
"\r\n" +
"[Hailey:]\r\n" +
"Dad\r\n" +
"\r\n" +
"[Chorus]\r\n" +
"\r\n" +
"[Verse #3:]\r\n" +
"My songs can make you cry, take you by surprise\r\n" +
"And at the same time, make you dry your eyes with the same rhyme\r\n" +
"So what you're seeing is a genius at work\r\n" +
"Which to me isn't work, so it's easy to misinterpret it at first,\r\n" +
"Cuz when i speak, it's tongue in cheek\r\n" +
"I'd gank my fuckin teeth before id ever bite my tongue\r\n" +
"I'd slice my gums, get struck by fuckin' lightning twice at once\r\n" +
"And die and come back as vanilla ice's son\r\n" +
"And walk around the rest of my life spit on\r\n" +
"And kicked and hit with shit, every time i sung\r\n" +
"Like r kelly as soon as \"bump n' grind\" comes on\r\n" +
"More pain inside o' my brain, in the eyes of a little girl inside of a plane\r\n" +
"Aimed at the world trade, standin' on ronny's grave,\r\n" +
"Screaming at the sky, the clouds gather as clyde mathers and bonnie jade\r\n" +
"And nash briddy musta just stop it\r\n" +
"Parents are pissed, but the kids love it\r\n" +
"Nine millimeter, heater's desk, and two-seaters with meat cleavers\r\n" +
"I don't blame you, i wouldn't let hailie listen to me neither\r\n" +
"\r\n" +
"[Chorus]\r\n" +
"\r\n" +
"[Outro:]\r\n" +
"[Eminem:]\r\n" +
"Crazy\r\n" +
"\r\n" +
"[Hailie:]\r\n" +
"[laughs]\r\n" +
"You're funny daddy!";
The output I get from using the method myString = myString.replaceAll("\\[([\\w\\%\\@]+)\\]",""); on the String above is the SAME String exactly.
Maybe the method with that regex is not working well when you got [blablabla] and after that another [blabla2] which i got here??
回答1:
You can use this replaceAll instead with negated character class:
myString = myString.replaceAll("\\[[^\\]]*\\]", "");
Regex Breakup:
\\[ # match a literal [
[^\\]]* # match 0 or more of any character that is not ]
\\] # match a literal ]
来源：https://stackoverflow.com/questions/36205033/mystring-replaceallregex-not-working-as-expected