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[abc] 鍖归厤a銆乥鎴朿涓殑浠绘剰涓�锟�? [^abc] 鍖归厤闄や簡a銆乥銆乧涔的换鎰忓瓧锟�? [a-z] 鍖归a鍒皕涔棿的换鎰忓皬鍐欏瓧锟? </div> <h3>2. 鏁伴噺璇嶏細鎺у埗瀛鍑虹幇的锟?/h3> <div class="code-block"> * 鍖归0娆℃垨澶锛堢浉褰撲簬{0,}锟�? + 鍖归1娆℃垨澶锛堢浉褰撲簬{1,}锟�? ? 鍖归0娆℃1娆★紙鐩稿綋浜巤0,1}锟�? {n} 板ソ鍖归n锟�? {n,} 鍖归n娆℃垨澶 {n,m} 鍖归n鍒癿娆★紙鍖惈n鍜锟�? </div> <h3>3. 浣嶇疆璇嶏細鎺у埗瀛鍑虹幇的綅锟?/h3> <div class="code-block"> ^ 鍖归厤涓茬殑�锟? $ 鍖归厤涓茬殑缁撳熬 \b 鍖归厤鍗曡瘝杈圭 \B 鍖归厤闈炲崟璇嶈竟锟? </div> <h3>4. 鍒嗙粍涓庡紩锟�?/h3> <div class="code-block"> (abc) 鍒涘缓鎹曡幏缁勶紝鍖归厤"abc"骞惰浣忚繖涓锟�? (?:abc) 闈炴崟鑾风粍锛屽锟�?abc"浣嗕笉璁颁綇 (?<name>abc) 鍛藉悕鎹曡幏缁勶紝鍖归厤"abc"骞跺懡鍚嶄负name \1 曠敤绗竴涓崟鑾粍的勫唴锟? </div> <h3>5. 杞箟锛氬閰嶇壒娈婂瓧绗︽湰锟?/h3> <div class="code-block"> \\ 鍖归厤鍙嶆枩鏉燶 \. 鍖归厤鐐瑰彿. \* 鍖归厤鏄熷彿* \+ 鍖归厤鍔犲彿+ \? 鍖归厤闂彿? \[ 鍖归厤︽柟鎷彿[ \] 鍖归厤鍙柟鎷彿] </div> <h2>涓�佸疄鎴樻妧э細3涓渶甯哥敤的勬鍒欐ā锟?/h2> <h3>1. 楠岃瘉鎵鍙凤紙涓浗澶ч锟?/h3> <div class="code-block"> 姝ｅ: ^1[3-9]\d{9}$ 瑙ｉ: ^1 �澶村繀椤绘1 [3-9] 绗簩浣嶆槸3-9涓殑涓�锟? \d{9} 鍚庨9浣嶆槸浠绘剰鏁板 $ 缁撳鍖归厤绀轰緥: 13812345678 锟�? 21234567890 锟�? </div> <h3>2. 楠岃瘉閭鍦板</h3> <div class="code-block"> 姝ｅ: ^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$ 瑙ｉ: [a-zA-Z0-9._%+-]+ 鍚嶏細瘝銆佹暟拰鐗瑰畾绗﹀ @ 蹇呴』鏈 [a-zA-Z0-9.-]+ 鍩熷悕涓讳綋 \. 鐐瑰 [a-zA-Z]{2,} 鍩熷悕鍚庣紑锛岃嚦锟?涓瓧锟? 鍖归厤绀轰緥: example@163.com 锟�? invalid-email 锟�? </div> <h3>3. 鎻愬彇URL涓殑鍙傛暟</h3> <div class="code-block"> 姝ｅ: [?&]([^=&]+)=([^&]+) 瑙ｉ: [?&] 锟�?锟�?�锟? ([^=&]+) 鎹曡幏鍙傛暟鍚嶏紙涓嶅惈=锟�?锟�? = 绛彿 ([^&]+) 鎹曡幏鍙傛暟鍊硷紙涓嶅惈&锟�? 杈撳: https://example.com?name=john&age=25 鎻愬: name=john, age=25 </div> <h2>鍥涖�佸绾垮伐鍏凤細鍐欏灏辫兘岃</h2> <p>铏界劧鐞嗚В璇硶寰堥噸瑕侊紝浣嗗疄闄伐浣腑鎴戜滑鏇撮渶瑕佸揩熼獙璇佺殑ュ叿銆備笅闈粙缁嶆垜浠殑免费在线ｅ琛ㄨ忔祴璇曞櫒锟?/p> <ol> <li><strong>瀹炴椂鍖归厤</strong>锛氳鍏ユ鍒欏拰鏂囨湰锛珛鍗樉绀哄尮閰嶇粨锟?/li> <li><strong>璇硶樹</strong>锛氭櫤鑳介珮浜樉绀哄尮閰嶅埌的唴癸紝涓�鐩簡锟�?/li> <li><strong>鎵归噺鏇挎崲</strong>锛氭鎸佹鍒欐浛鎹紝涓�閿畬鎴愭壒閲忓锟�?/li> <li><strong>璇︾粏鎹曡幏</strong>锛氭樉绀烘鏈夋崟鑾粍的勫唴癸紝渚夸簬璋冭</li> <li><strong>哥敤℃澘</strong>锛氬唴缃鏈哄彿銆侀偖绠便�乁RL绛父ㄦ鍒欙紝涓�閿彃锟�?/li> </ol> <div class="article-cta"> <div class="article-cta-head"> <strong>🦘憠鐩存帴鎵撳紑宸ュ叿锟?/strong> <a href="../tools/regex-tester.html">姝ｅ琛ㄨ忔祴璇曞</a> </div> <p>鐜板灏辫璇曪紝杈撳叆你的ｅ琛ㄨ忥紝湅鍖归厤缁撴灉笉瀵癸</p> </div> <h2>浜斻�佸父瑙敊璇細90%的勪汉閮芥鍦ㄨ繖鍑犱釜鍧戜</h2> <h3>閿欒1锛氬繕璁颁簡^锟�?</h3> <p>鍐欓獙璇佹鍒欐椂锛屽鏋滃繕璁板^锟�?锛屽彲鑳戒細瀵艰嚧閮ㄥ垎鍖归厤閫氳繃銆備緥濡俙\d{11}`鍙互鍖归厤"abc13812345678def"锛岃繖涓嶆槸鏈晥的勬墜鏈哄彿锟�?/p> <blockquote>姝ｇ‘鍐欐硶锛歗1[3-9]\d{9}$</blockquote> <h3>閿欒2锟�?[.]+杩欑鍐欐</h3> <p>.鍦ㄦ鍒欎腑浠ｈ〃浠绘剰瀛锛屽鏋滆鍖归厤潰的勭偣鍙凤紝蹇呴』鍐欐垚\.锟�?/p> 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