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  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
Processing...

Test String

Substitution
Processing...

Code Generator

Language

Generated Code

import re regex = re.compile(r"^.*(?= ) ", flags=re.MULTILINE) test_str = ("Ticket\n" "A/5 21171\n" "PC 17599\n" "STON/O2. 3101282\n" "113803\n" "373450\n" "330877\n" "17463\n" "349909\n" "347742\n" "237736\n" "PP 9549\n" "113783\n" "A/5. 2151\n" "347082\n" "350406\n" "248706\n" "382652\n" "244373\n" "345763\n" "2649\n" "239865\n" "248698\n" "330923\n" "113788\n" "349909\n" "347077\n" "2631\n" "19950\n" "330959\n" "349216\n" "PC 17601\n" "PC 17569\n" "335677\n" "C.A. 24579\n" "PC 17604\n" "113789\n" "2677\n" "A./5. 2152\n" "345764\n" "2651\n" "7546\n" "11668\n" "349253\n" "SC/Paris 2123\n" "330958\n" "S.C./A.4. 23567\n" "370371\n" "14311\n" "2662\n" "349237\n" "3101295\n" "A/4. 39886\n" "PC 17572\n" "2926\n" "113509\n" "19947\n" "C.A. 31026\n" "2697\n" "C.A. 34651\n" "CA 2144\n" "2669\n" "113572\n" "36973\n" "347088\n" "PC 17605\n" "2661\n" "C.A. 29395\n" "S.P. 3464\n" "3101281\n" "315151\n" "C.A. 33111\n" "CA 2144\n" "S.O.C. 14879\n" "2680\n" "1601\n" "348123\n" "349208\n" "374746\n" "248738\n" "364516\n" "345767\n" "345779\n" "330932\n" "113059\n" "SO/C 14885\n" "3101278\n" "W./C. 6608\n" "SOTON/OQ 392086\n" "19950\n" "343275\n" "343276\n" "347466\n" "W.E.P. 5734\n" "C.A. 2315\n" "364500\n" "374910\n" "PC 17754\n" "PC 17759\n" "231919\n" "244367\n" "349245\n" "349215\n" "35281\n" "7540\n" "3101276\n" "349207\n" "343120\n" "312991\n" "349249\n" "371110\n" "110465\n" "2665\n" "324669\n" "4136\n" "2627\n" "STON/O 2. 3101294\n" "370369\n" "11668\n" "PC 17558\n" "347082\n" "S.O.C. 14879\n" "A4. 54510\n" "237736\n" "27267\n" "35281\n" "2651\n" "370372\n" "C 17369\n" "2668\n" "347061\n" "349241\n" "SOTON/O.Q. 3101307\n" "A/5. 3337\n" "228414\n" "C.A. 29178\n" "SC/PARIS 2133\n" "11752\n" "113803\n" "7534\n" "PC 17593\n" "2678\n" "347081\n" "STON/O2. 3101279\n" "365222\n" "231945\n" "C.A. 33112\n" "350043\n" "W./C. 6608\n" "230080\n" "244310\n" "S.O.P. 1166\n" "113776\n" "A.5. 11206\n" "A/5. 851\n" "Fa 265302\n" "PC 17597\n" "35851\n" "SOTON/OQ 392090\n" "315037\n" "CA. 2343\n" "371362\n" "C.A. 33595\n" "347068\n" "315093\n" "3101295\n" "363291\n" "113505\n" "347088\n" "PC 17318\n" "1601\n" "111240\n" "382652\n" "347742\n" "STON/O 2. 3101280\n" "17764\n" "350404\n" "4133\n" "PC 17595\n" "250653\n" "LINE\n" "CA. 2343\n" "SC/PARIS 2131\n" "347077\n" "230136\n" "315153\n" "113767\n" "370365\n" "111428\n" "364849\n" "349247\n" "234604\n" "28424\n" "350046\n" "230080\n" "PC 17610\n" "PC 17569\n" "368703\n" "4579\n" "370370\n" "248747\n" "345770\n" "CA. 2343\n" "3101264\n" "2628\n" "A/5 3540\n" "347054\n" "3101278\n" "2699\n" "367231\n" "112277\n" "SOTON/O.Q. 3101311\n" "F.C.C. 13528\n" "A/5 21174\n" "250646\n" "367229\n" "35273\n" "STON/O2. 3101283\n" "243847\n" "11813\n" "W/C 14208\n" "SOTON/OQ 392089\n" "220367\n" "21440\n" "349234\n" "19943\n" "PP 4348\n" "SW/PP 751\n" "A/5 21173\n" "236171\n" "4133\n" "36973\n" "347067\n" "237442\n" "347077\n" "C.A. 29566\n" "W./C. 6609\n" "26707\n" "C.A. 31921\n" "28665\n" "SCO/W 1585\n" "2665\n" "367230\n" "W./C. 14263\n" "STON/O 2. 3101275\n" "2694\n" "19928\n" "347071\n" "250649\n" "11751\n" "244252\n" "362316\n" "347054\n" "113514\n" "A/5. 3336\n" "370129\n" "2650\n" "PC 17585\n" "110152\n" "PC 17755\n" "230433\n" "384461\n" "347077\n" "110413\n" "112059\n" "382649\n" "C.A. 17248\n" "3101295\n" "347083\n" "PC 17582\n" "PC 17760\n" "113798\n" "LINE\n" "250644\n" "PC 17596\n" "370375\n" "13502\n" "347073\n" "239853\n" "382652\n" "C.A. 2673\n" "336439\n" "347464\n" "345778\n" "A/5. 10482\n" "113056\n" "349239\n" "345774\n" "349206\n" "237798\n" "370373\n" "19877\n" "11967\n" "SC/Paris 2163\n" "349236\n" "349233\n" "PC 17612\n" "2693\n" "113781\n" "19988\n" "PC 17558\n" "9234\n" "367226\n" "LINE\n" "226593\n" "A/5 2466\n" "113781\n" "17421\n" "PC 17758\n" "P/PP 3381\n" "PC 17485\n" "11767\n" "PC 17608\n" "250651\n" "349243\n" "F.C.C. 13529\n" "347470\n" "244367\n" "29011\n" "36928\n" "16966\n" "A/5 21172\n" "349219\n" "234818\n" "248738\n" "CA. 2343\n" "PC 17760\n" "345364\n" "28551\n" "363291\n" "111361\n" "367226\n" "113043\n" "PC 17582\n" "345764\n" "PC 17611\n" "349225\n" "113776\n" "16966\n" "7598\n" "113784\n" "230080\n" "19950\n" "248740\n" "244361\n" "229236\n" "248733\n" "31418\n" "386525\n" "C.A. 37671\n" "315088\n" "7267\n" "113510\n" "2695\n" "349237\n" "2647\n" "345783\n" "113505\n" "237671\n" "330931\n" "330980\n" "347088\n" "SC/PARIS 2167\n" "2691\n" "SOTON/O.Q. 3101310\n" "370365\n" "C 7076\n" "110813\n" "2626\n" "14313\n" "PC 17477\n" "11765\n" "3101267\n" "323951\n" "PC 17760\n" "349909\n" "PC 17604\n" "C 7077\n" "113503\n" "2648\n" "347069\n" "PC 17757\n" "2653\n" "STON/O 2. 3101293\n" "113789\n" "349227\n" "S.O.C. 14879\n" "CA 2144\n" "27849\n" "367655\n" "SC 1748\n" "113760\n" "350034\n" "3101277\n" "35273\n" "PP 9549\n" "350052\n" "350407\n" "28403\n" "244278\n" "240929\n" "STON/O 2. 3101289\n" "341826\n" "4137\n" "STON/O2. 3101279\n" "315096\n" "28664\n" "347064\n" "29106\n" "312992\n" "4133\n" "349222\n" "394140\n" "19928\n" "239853\n" "STON/O 2. 3101269\n" "343095\n" "28220\n" "250652\n" "28228\n" "345773\n" "349254\n" "A/5. 13032\n" "315082\n" "347080\n" "370129\n" "A/4. 34244\n" "2003\n" "250655\n" "364851\n" "SOTON/O.Q. 392078\n" "110564\n" "376564\n" "SC/AH 3085\n" "STON/O 2. 3101274\n" "13507\n" "113760\n" "W./C. 6608\n" "29106\n" "19950\n" "C.A. 18723\n" "F.C.C. 13529\n" "345769\n" "347076\n" "230434\n" "65306\n" "33638\n" "250644\n" "113794\n" "2666\n" "113786\n" "C.A. 34651\n" "65303\n" "113051\n" "17453\n" "A/5 2817\n" "349240\n" "13509\n" "17464\n" "F.C.C. 13531\n" "371060\n" "19952\n" "364506\n" "111320\n" "234360\n" "A/S 2816\n" "SOTON/O.Q. 3101306\n" "239853\n" "113792\n" "36209\n" "2666\n" "323592\n" "315089\n" "C.A. 34651\n" "SC/AH Basle 541\n" "7553\n" "110465\n" "31027\n" "3460\n" "350060\n" "3101298\n" "CA 2144\n" "239854\n" "A/5 3594\n" "4134\n" "11967\n" "4133\n" "19943\n" "11771\n" "A.5. 18509\n" "C.A. 37671\n" "65304\n" "SOTON/OQ 3101317\n" "113787\n" "PC 17609\n" "A/4 45380\n" "2627\n" "36947\n" "C.A. 6212\n" "113781\n" "350035\n" "315086\n" "364846\n" "330909\n" "4135\n" "110152\n" "PC 17758\n" "26360\n" "111427\n" "C 4001\n" "1601\n" "382651\n" "SOTON/OQ 3101316\n" "PC 17473\n" "PC 17603\n" "349209\n" "36967\n" "C.A. 34260\n" "371110\n" "226875\n" "349242\n" "12749\n" "349252\n" "2624\n" "111361\n" "2700\n" "367232\n" "W./C. 14258\n" "PC 17483\n" "3101296\n" "29104\n" "26360\n" "2641\n" "2690\n" "2668\n" "315084\n" "F.C.C. 13529\n" "113050\n" "PC 17761\n" "364498\n" "13568\n" "WE/P 5735\n" "347082\n" "347082\n" "2908\n" "PC 17761\n" "693\n" "2908\n" "SC/PARIS 2146\n" "363291\n" "C.A. 33112\n" "17421\n" "244358\n" "330979\n" "2620\n" "347085\n" "113807\n" "11755\n" "PC 17757\n" "110413\n" "345572\n" "372622\n" "349251\n" "218629\n" "SOTON/OQ 392082\n" "SOTON/O.Q. 392087\n" "A/4 48871\n" "349205\n" "349909\n" "2686\n" "350417\n" "S.W./PP 752\n" "11769\n" "PC 17474\n" "14312\n" "A/4. 20589\n" "358585\n" "243880\n" "13507\n" "2689\n" "STON/O 2. 3101286\n" "237789\n" "17421\n" "28403\n" "13049\n" "3411\n" "110413\n" "237565\n" "13567\n" "14973\n" "A./5. 3235\n" "STON/O 2. 3101273\n" "36947\n" "A/5 3902\n" "364848\n" "SC/AH 29037\n" "345773\n" "248727\n" "LINE\n" "2664\n" "PC 17485\n" "243847\n" "349214\n" "113796\n" "364511\n" "111426\n" "349910\n" "349246\n" "113804\n" "SC/Paris 2123\n" "PC 17582\n" "347082\n" "SOTON/O.Q. 3101305\n" "367230\n" "370377\n" "364512\n" "220845\n" "347080\n" "A/5. 3336\n" "230136\n" "31028\n" "2659\n" "11753\n" "2653\n" "350029\n" "54636\n" "36963\n" "219533\n" "13502\n" "349224\n" "334912\n" "27042\n" "347743\n" "13214\n" "112052\n" "347088\n" "237668\n" "STON/O 2. 3101292\n" "C.A. 31921\n" "3101295\n" "376564\n" "350050\n" "PC 17477\n" "347088\n" "1601\n" "2666\n" "PC 17572\n" "349231\n" "13213\n" "S.O./P.P. 751\n" "CA. 2314\n" "349221\n" "231919\n" "8475\n" "330919\n" "365226\n" "S.O.C. 14879\n" "349223\n" "364849\n" "29751\n" "35273\n" "PC 17611\n" "2623\n" "5727\n" "349210\n" "STON/O 2. 3101285\n" "S.O.C. 14879\n" "234686\n" "312993\n" "A/5 3536\n" "19996\n" "29750\n" "F.C. 12750\n" "C.A. 24580\n" "244270\n" "239856\n" "349912\n" "342826\n" "4138\n" "CA 2144\n" "PC 17755\n" "330935\n" "PC 17572\n" "6563\n" "CA 2144\n" "29750\n" "SC/Paris 2123\n" "3101295\n" "349228\n" "350036\n" "24160\n" "17474\n" "349256\n" "1601\n" "2672\n" "113800\n" "248731\n" "363592\n" "35852\n" "17421\n" "348121\n" "PC 17757\n" "PC 17475\n" "2691\n" "36864\n" "350025\n" "250655\n" "223596\n" "PC 17476\n" "113781\n" "2661\n" "PC 17482\n" "113028\n" "19996\n" "7545\n" "250647\n" "348124\n" "PC 17757\n" "34218\n" "36568\n" "347062\n" "248727\n" "350048\n" "12233\n" "250643\n" "113806\n" "315094\n" "31027\n" "36866\n" "236853\n" "STON/O2. 3101271\n" "24160\n" "2699\n" "239855\n" "28425\n" "233639\n" "54636\n" "W./C. 6608\n" "PC 17755\n" "349201\n" "349218\n" "16988\n" "19877\n" "PC 17608\n" "376566\n" "STON/O 2. 3101288\n" "WE/P 5735\n" "C.A. 2673\n" "250648\n" "113773\n" "335097\n" "29103\n" "392096\n" "345780\n" "349204\n" "220845\n" "250649\n" "350042\n" "29108\n" "363294\n" "110152\n" "358585\n" "SOTON/O2 3101272\n" "2663\n" "113760\n" "347074\n" "13502\n" "112379\n" "364850\n" "371110\n" "8471\n" "345781\n" "350047\n" "S.O./P.P. 3\n" "2674\n" "29105\n" "347078\n" "383121\n" "364516\n" "36865\n" "24160\n" "2687\n" "17474\n" "113501\n" "W./C. 6607\n" "SOTON/O.Q. 3101312\n" "374887\n" "3101265\n" "382652\n" "C.A. 2315\n" "PC 17593\n" "12460\n" "239865\n" "CA. 2343\n" "PC 17600\n" "349203\n" "28213\n" "17465\n" "349244\n" "2685\n" "345773\n" "250647\n" "C.A. 31921\n" "113760\n" "2625\n" "347089\n" "347063\n" "112050\n" "347087\n" "248723\n" "113806\n" "3474\n" "A/4 48871\n" "28206\n" "347082\n" "364499\n" "112058\n" "STON/O2. 3101290\n" "S.C./PARIS 2079\n" "C 7075\n" "347088\n" "12749\n" "315098\n" "19972\n" "392096\n" "3101295\n" "368323\n" "1601\n" "S.C./PARIS 2079\n" "367228\n" "113572\n" "2659\n" "29106\n" "2671\n" "347468\n" "2223\n" "PC 17756\n" "315097\n" "392092\n" "1601\n" "11774\n" "SOTON/O2 3101287\n" "S.O./P.P. 3\n" "113798\n" "2683\n" "315090\n" "C.A. 5547\n" "CA. 2343\n" "349213\n" "248727\n" "17453\n" "347082\n" "347060\n" "2678\n" "PC 17592\n" "244252\n" "392091\n" "36928\n" "113055\n" "2666\n" "2629\n" "350026\n" "28134\n" "17466\n" "CA. 2343\n" "233866\n" "236852\n" "SC/PARIS 2149\n" "PC 17590\n" "345777\n" "347742\n" "349248\n" "11751\n" "695\n" "345765\n" "P/PP 3381\n" "2667\n" "7534\n" "349212\n" "349217\n" "11767\n" "230433\n" "349257\n" "7552\n" "C.A./SOTON 34068\n" "SOTON/OQ 392076\n" "382652\n" "211536\n" "112053\n" "W./C. 6607\n" "111369\n" "370376\n\n\n\n\n\n\n\n\n\n") subst = "" result = regex.sub(subst, test_str) if result: print(result)

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Python, please visit: https://docs.python.org/3/library/re.html