Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • 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
No Match

r"
"
gm

Test String

Substitution

Processing...

Code Generator

Language

Generated Code

# coding=utf8 # the above tag defines encoding for this document and is for Python 2.x compatibility import re regex = (r"(,\"\"38,602\"\",)\n") test_str = ("Benjamin Sosa 1 (825) 828-0003\n" "Wanda's Vocal Coaching 207-LARYNX-1\n" "Taste of Mexico Restaurant 418TAMALE9\n" "Hope Tyler 515.720.3628\n" "Bernadette Stanley 226-850-6891\n" "Omar Sullivan 1 (970) 641▪5436\n" "Tamera Norton 1*770*285*0559\n" "Marcy Albert (527) 664-4544\n" "Carl Velez (730) 384-4328\n" "Emmanuel Holmes (747) 629-0925\n" "Constantinople Café 364-67-KEBAB\n" "Subtraction Consulting, Ltd 544-REMOVE-19\n" "Nicole Haas 804.849.0601\n" "Beverly Roberts 1.725.754.8597\n" "Melba Patel 15504776792\n" "Calgary Health and Safety Centre (403) CORONA-1\n" "Hubert Sampson +1–(845)–674–6180\n" "Supreme Seattle Flower Shop (425)-TULIPS-2\n" "Verna Mayo 1 (815) 865-1650\n" "Sherman Keller (678) 531-6758\n" "Sharlene Dudley (829) 856-7001\n" "Kate Guerra 540_6288287\n" "Salvador Walters +1 830▸625▸3435\n" "Kellie Freeman 1 (610) 464•578\n" "Magdalena Glover +1(319)569-6421\n" "Rachel Wang 530-848-0535\n" "Boris Hoffman 868—686—9739\n" "Vernon Philips 8794103965\n" "Renee Frank 194033846507\n" "Anthony McGrath (916) 629-6619\n" "Brandon Monroe 1(854)591-5120\n" "Zippers 123 321-ZIPPERS\n" "Evangelina Strickland 1 (900) 675·1742\n" "Vicente Bender 9375778873\n" "Mattie Steele 1 (859) 878-6667\n" "Antwan Blackwell (712) 866-8076\n" "Chester York 918.7667576\n" "Earl Vega 1–351–567–9758\n" "Karin Gaines (514)▪265▪3029\n" "Paul Holden 1 (475) 914-5650\n" "Wallace Hughes 234-5853040\n" "Christie Mitchell (934)-630-4558\n" "Arnoldo Mclean 1-817-246-1456\n" "Carroll Cuevas (934) 807 1799\n" "Minnie Bradley (206)592.0746\n" "Eva Lehman +1(249)971·9773\n" "Gulf Coast Bridge Consultants 228-66-PYLON\n" "Ralph's Hardware Emporium (409) WINGNUT\n" "Charlene Houston 16047090550\n" "Vicki Carey (500) 694_5031\n" "Nicholas Singleton (679) 741-6462\n" "Joseph Santos 8284942683\n" "Stanford Terry +1(740)239-0940\n" "Nichole Gibson (340) 981-3730\n" "Elwood Newton (758) 621▪6349\n" "Rory Rosario 1 (826) 785.2808\n" "Dallas Museum of Space Exploration 21469ORBIT\n" "24/7 Politics Podcast 535-OUTRAGE\n" "Angelita Serrano 1-937-54-2057\n" "Young Howe (325)562_7065\n" "Riverside Consignment 951-CONSIGN\n" "Joan Goodwin (548) 729-0155\n" "Dave Bruce 709-539-8226\n" "Sara Bernard (769) 207_7001\n" "One Stop Magic Shop +1(434) 93-MAGIC\n" "Jacob Newton (468)968▸1860\n" "Island Diet Centre 345-71-CARBS\n" "Swiss Culture Club 368.YODEL.44\n" "Riley Harmon 253•325•3570\n" "Cora Sawyer 912-410-4767\n" "Marissa Sherman (847) 591–9982\n" "Franklin Winter 646-527-7435\n" "Kathie Martinez 585-886-3046\n" "Claudia Blackburn (661) 375·2002\n" "Jessie Mcgee 347·484·0577\n" "Lemuel Carey 607801315\n" "Gretchen Wu 5346955207\n" "Louie Ho 1(526)880.0787\n" "Brooke Massey 641•354•0826\n" "Colleen McConnell 14739935288\n" "Lonny Sandoval (925)984.2943\n" "Joan Wong 1 (217) 239 6408\n" "Celeste Wagner 682_479_1997\n" "Maxine Reeves 1—847—200—7682\n" "Janie Conley +1 (805) 820 2667\n" "Nina Manning 518-936-5410\n" "Cheerleading Warehouse 656 POMPOMS\n" "Bennett Freeman (786)623.4656\n" "Suffolk County Demolition Experts 631-BACKHOE\n" "Kristie Tran 323-800-1567\n" "Ye Olde Vintage Clothing Shoppe (528)-CRAVATS\n" "Jeannie Lester 1—360—770—7631\n" "Kerry Mckee +1—(570)—729—6561\n" "Camille Burton (220).691.7942\n" "Marilyn Greene (450)800-8228\n" "Mckinley Mckenzie (615) 323-7248\n" "Portland Medieval Armor Shop 971-53-JOUST\n" "Kathy Bentley (538)297.0029\n" "Truman Castaneda 1(281)956_9002\n" "Chelsea Zamora (564) 599-1933\n" "Garry Hoover 231•472•8212\n" "Data Science, Inc (970)8 PANDAS\n" "Amber Stout (938) 244–0140\n" "Leonard Barnes 1 (708) 438 0412\n" "Elmer Irwin 1 (781) 338—8712\n" "April Moss (864) 605-7368\n" "Fletcher Espinoza (251)696-5236\n" "Stefanie Browning 1 606 878 1983b\n" "Thurman Garza (825) 989▸4374\n" "Paula Jones 1 (346) 388-2412\n" "Amanda Franklin 518 562_9478\n" "Cristopher Garrett 866 389-7213\n" "Krystal Watson (826) 660.2221\n" "Candice Leonard (807)782-2826\n" "Morgan Anderson 1 (260) 696▸9101\n" "Leo Wells 1-(947)-356-1568\n" "Terrell Watts 4059925155\n" "Josefina Crow 1-527-281-9621\n" "Anna Groves +1—(649)—362—6399\n" "Sergio Brewer 913.634.1346") subst = "\\1\\n" # You can manually specify the number of replacements by changing the 4th argument result = re.sub(regex, subst, test_str, 0, re.MULTILINE) if result: print (result) # Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.

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