鈥?strong>鈥嬫牳蹇冮棶棰樿В鏋愨€?/strong>鈥?br/> 鍦╥OS寮€鍙戜腑濡備綍澶勭悊鍖呭惈绌哄€肩殑鍒嗗壊缁撴灉锛?br/> 褰撻亣鍒拌繛缁垎闅旂鏃剁郴缁熷浣曞瓨鍌ㄦ暟鎹紵
涓轰粈涔堥儴鍒嗙鍙锋棤娉曟纭垏鍓插瓧绗︿覆锛?/p>

鈥?strong>鈥嬪熀纭€鍒嗗壊鍦烘櫙搴旂敤鈥?/strong>鈥?br/> 浣跨敤鍗曚釜瀛楃浣滀负鍒嗛殧绗︽椂锛岀洿鎺ヤ紶鍏haracter绫诲瀷鍗冲彲瀹屾垚鍒囧壊銆傜ず渚嬩唬鐮佹紨绀哄浣曞皢"鑻规灉,棣欒晧,姗欏瓙"鎷嗗垎涓烘暟缁勶細

swift澶嶅埗
let fruits = "鑻规灉,棣欒晧,姗欏瓙"
let array = fruits.components(separatedBy: ",")
// 杈撳嚭缁撴灉锛歔"鑻规灉", "棣欒晧", "姗欏瓙"]

璇ユ柟娉曞吋瀹筄bjective-C鐨凬SString缁勪欢锛屼絾Swift鐗堟湰鏀寔鏇寸畝娲佺殑璇硶琛ㄨ揪銆傞渶娉ㄦ剰涓枃瀛楃浣滀负鍒嗛殧绗︽椂瑕佹眰瀹屽叏鍖归厤锛屽叏瑙?鍗婅绗﹀彿闇€缁熶竴澶勭悊銆?/p>

鈥?strong>鈥嬪鍒嗛殧绗﹀鐞嗘柟妗堚€?/strong>鈥?br/> 褰撻渶瑕佸悓鏃跺鐞嗗绉嶅垎闅旂鏃讹紝鍙€氳繃CharacterSet缁勫悎瀹炵幇銆備互涓嬩唬鐮佹紨绀哄浣曟媶鍒嗗寘鍚绉嶆爣鐐圭殑瀛楃涓诧細

swift澶嶅埗
let text = "涓婃捣|鍖椾含;骞垮窞?鎴愰兘"
let separators = CharacterSet(charactersIn: "|;?")
let cities = text.components(separatedBy: separators)
// 杈撳嚭缁撴灉锛歔"涓婃捣", "鍖椾含", "骞垮窞", "鎴愰兘"]

璇ユ柟娉曞彲鎵╁睍澶勭悊鍖呭惈emoji鐨勫鏉傚満鏅紝褰撻亣鍒梆焽焽仇焽吼焽哥瓑鍥芥棗绗﹀彿鏃讹紝寤鸿鍏堣繘琛孶nicode鏍囧噯鍖栧鐞嗐€?/p>

鈥?strong>鈥嬬┖鍊艰繃婊ゆ妧宸р€?/strong>鈥?br/> 榛樿鎯呭喌涓嬭繛缁垎闅旂浼氫骇鐢熺┖瀛楃涓诧紝閫氳繃娣诲姞杩囨护闂寘瀹炵幇鏁版嵁娓呮礂锛?/p>

swift澶嶅埗
let rawData = "2023,,瀛ｅ害鎶ュ憡,,Q4鏁版嵁"
let cleanedData = rawData.components(separatedBy: ",")
                        .filter { !$0.isEmpty }
// 杈撳嚭缁撴灉锛歔"2023", "瀛ｅ害鎶ュ憡", "Q4鏁版嵁"]

姝ゆ柟妗堢壒鍒€傜敤浜庡鐞咰SV鏂囦欢鎴朅PI杩斿洖鐨勫師濮嬫暟鎹紝姣斾娇鐢╮eplacingOccurrences鏂规硶鏇撮珮鏁堛€?/p>

鈥?strong>鈥嬫鍒欒〃杈惧紡杩涢樁鈥?/strong>鈥?br/> 褰撻渶瑕佸姩鎬佸尮閰嶅鏉傚垎闅旀ā寮忔椂锛屽彲缁撳悎NSRegularExpression瀹炵幇锛?/p>

swift澶嶅埗
let complexString = "A1-B2_C3+D4"
let pattern = "[-_+]"
let regex = try? NSRegularExpression(pattern: pattern)
let results = regex?.matches(in: complexString, range: NSRange(location:0, length: complexString.utf16.count))
// 杈撳嚭鍒嗗壊缁撴灉锛歔"A1", "B2", "C3", "D4"]

姝ゆ柟娉曟敮鎸佸鐞嗗寘鍚暟瀛楀瓧姣嶆贩鍚堢殑鐗规畩鍒嗛殧绗︼紝娉ㄦ剰姝ｅ垯琛ㄨ揪寮忛渶杩涜姝ｇ‘杞箟銆?/p>

鈥?strong>鈥嬫€ц兘浼樺寲瀹炶返鈥?/strong>鈥?br/> 澶勭悊10涓?閲忕骇瀛楃涓叉椂锛屾帹鑽愰缂栬瘧鍒嗛殧绗﹂泦鍚堬細

swift澶嶅埗
let massData = String(repeating: "a,b,c,d,", count: 25000)
let optimizedSeparator = CharacterSet(charactersIn: ",")
autoreleasepool {
    let result = massData.components(separatedBy: optimizedSeparator)
}

閫氳繃鍐呭瓨姹犵鐞嗗拰閬垮厤閲嶅鍒涘缓瀵硅薄锛屽彲浣挎墽琛屾晥鐜囨彁鍗?0%浠ヤ笂銆傚浜庤秴澶ф暟鎹缓璁噰鐢ㄥ垎鍧楀鐞嗙瓥鐣ャ€?/p>

鈥?strong>鈥嬫敞鎰忎簨椤光€?/strong>鈥?/p>

1. 澶勭悊鍖呭惈\n鐨勫瓧绗︿覆鏃堕渶鍏堣繘琛宼rimming鎿嶄綔
2. 涓棩闊╃瓑瀹藉瓧绗﹀缓璁娇鐢║TF-16缂栫爜澶勭悊
3. 浣跨敤#available鍒ゆ柇纭繚iOS 9+绯荤粺鍏煎鎬?/li>
4. 鍒嗗壊URL鍙傛暟鏃堕渶杩涜URLDecode棰勫鐞?/li>
5. 鍚玡moji鐨勫瓧绗︿覆寤鸿鍏堣浆鎹负NSString澶勭悊

鈥?strong>鈥嬪吀鍨嬮敊璇帓鏌モ€?/strong>鈥?br/> 褰撳垎鍓茬粨鏋滃寘鍚剰澶栧厓绱犳椂锛屾鏌ヤ互涓嬩笁椤癸細

1. 鍒嗛殧绗﹀瓧绗﹂泦鏄惁鍖呭惈闅愯棌鎺у埗绗︼紙濡俓u{200B}锛?/li>
2. 瀛楃涓茬紪鐮佹槸鍚︾粺涓€锛堢壒鍒槸娣峰悎ASCII/Unicode鍦烘櫙锛?/li>
3. 鏄惁閿欒浣跨敤浜唌utableCopy瀵艰嚧瀵硅薄鍦板潃鍙樻洿

閫氳繃Xcode璋冭瘯鍣ㄧ殑po鍛戒护鐩存帴杈撳嚭components缁撴灉锛屽彲蹇€熼獙璇佸垎鍓查€昏緫鏄惁绗﹀悎棰勬湡銆傚浜庣壒娈婁笟鍔″満鏅紝寤鸿缂栧啓鍗曞厓娴嬭瘯瑕嗙洊杈圭晫鏉′欢銆?/p>