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

/
/
gm

Test String

Code Generator

Language

Generated Code

$re = '/^([A-Za-z0-9\s\.\&]+\s+(Place|Terrace|Highway|Road|St?reet?|Road|Lane|Suite|Avenue|Parkway|Court|Boulevard|Rd|Island|Drive|Pike|Floor|St|Falls|Park|Spring|Ave|Drive|Dr|\d+)[.\s]?,?\s?((N|S)?(E|W)?),?[\s0-9\#]*,)(\s[A-Za-z].*,)(\s[A-Za-z\s\.]+)([0-9]+\-?.*)$/m'; $str = '3132 10th Street N, Arlington, VA 22201 908 Wahler Place, SE, Washington, DC 20032 2800 Brendan Avenue, Baltimore, MD 21213-1213 533 48th Place, NE, Washington, DC 20019 533 48th Place, NE, Washington, DC 20019 533 48th Place, NE, Washington, DC 20019 800 Poplar Grove Street, Baltimore, MD 21216 1500 Galen Street, SE, Washington, DC 20020 2017 Savannah Terrace, SE, Washington, DC 20032 9000 Richmond Highway, Alexandria, VA 22309 9000 Richmond Highway, Alexandria, VA 22309 9000 Richmond Highway, Alexandria, VA 22309 2400 Bel Pre Road, Silver Spring, MD 20906 2701 S Nelson Street, Arlington, VA 22206 3401 4th Street, SE, Washington, DC 20032 1114 Shawan Road Suite 2, Cockeysville, MD 21030 128 W Franklin Street, Baltimore, MD 21201 1400 W Cold Spring Lane, Baltimore, Maryland 21209 4300 13th Street, NW, Washington, DC 20011 4300 13th Street, NW, Washington, DC 20011 4300 13th Street, NW, Washington, DC 20011 2900 Barclay Street, Baltimore, MD 21218 430 Decatur Street, NW, Washington, DC 20011 6929 Furman Parkway, Riverdale, MD 20737 601 Edgewood Street NE Suite 15, Washington, DC 20017 3600 Alabama Avenue, SE, Washington, DC 20020 3600 Alabama Avenue, SE, Washington, DC 20020 3600 Alabama Avenue, SE, Washington, DC 20020 3754 Martin Luther King Jr. Avenue, SE, Washington, DC 20032 3754 Martin Luther King Jr. Avenue, SE, Washington, DC 20032 3754 Martin Luther King Jr. Avenue, SE, Washington, DC 20032 1406 N Ellamont Street, Baltimore, MD 21216 3640 Martin Luther King Jr. Avenue, SE, Washington, DC 20032 3640 Martin Luther King Jr Avenue, SE, Washington DC 20032 2100 Boone Street, Baltimore, MD 21218 128 M Street NW #150, Washington, DC 20001 1300 Nicholson Street, NW, Washington, DC 20011 3912 Georgia Avenue, NW, Washington, DC 20011 1150 Michigan Avenue, NE, Washington, DC 20017 1150 Michigan Avenue, NE, Washington, DC 20017 18100 Washington Grove Lane, Gaithersburg, MD 20877 3560 Warder Street, NW, Washington, DC 20010 3560 Warder Street, NW, Washington, DC 20010 3560 Warder Street, NW, Washington, DC 20010 1820 Monroe Street, NE, Washington, DC 20018 801 Division Avenue, NE, Washington, DC 20019 801 Division Avenue, NE, Washington, DC 20019 801 Division Avenue, NE, Washington, DC 20019 500 Tristam Court, Baltimore, MD 21208 301 53rd Street, SE, Washington, DC 20019 301 53rd Street, SE, Washington, DC 20019 321 Chrome Road, Rising Sun, MD 21911 16813 Yeoho Road, Sparks, MD 21152 3501 Hillsdale Road, Baltimore, MD 21207 100 Peabody Street NW Floor 1, Washington, DC 20011 601 Suffolk Avenue, Capitol Heights, MD 20743 2118 Ridgecrest Court SE, Washington, DC 20020 100 Peabody Street, NW, Washington, DC 20011 1200 Clifton Street, NW, Washington, DC 20009 1200 Clifton Street, NW, Washington, DC 20009 1200 Clifton Street, NW, Washington, DC 20009 701 Howard Road, SE, Washington, DC 20020 6008 Georgia Avenue, NW, Washington, DC 20011 6008 Georgia Avenue, NW, Washington, DC 20011 1217 West Virginia Avenue, NE, Washington, DC 20002 220 Highview Place, SE, Washington, DC 20032 1217 West Virginia Avenue, NE, Washington, DC 20002 65 Massachusetts Avenue, NW, Washington, DC 20001 1420 Columbia Road, NW, Washington, DC 20009 1345 University Boulevard E, Takoma Park, MD 20912 1420 Columbia Road, NW, Washington, DC 20009 1288 Upshur Street, NW, Washington, DC 20011 325 P Street, SW, Washington, DC 20024 770 Kenyon Street, NW, Washington, DC 20010 6201 Solomons Island Rd., Huntingtown, MD 20639 3720 Martin Luther King Jr. Avenue, SE, Washington, DC 20020 100 Gallatin St. NE 20018 2220 11th Street, NW, Washington, DC 20001 2220 11th Street, NW, Washington, DC 20010 1630 Euclid Street, NW, Washington, DC 20009 111 Michigan Avenue, NW, Washington, DC 20010 2250 Champlain Street, NW, Washington, DC 20009 12500 Wisteria Drive, Germantown, MD 20874 516 Kennedy Street, NW, Washington, DC 20011 1640 Columbia Road, NW, Washington, DC 20009 11904 Old Marlboro Pike, Upper Marlboro, MD 20772 31285 Georgetown Cemetery Road, Georgetown, MD 21930 4 Atlantic Street, SW, Washington, DC 20032 28038 Goldsborough Neck Road, Easton, Maryland 21601 802 S Caroline Street, Baltimore, MD 21231 4301 W Bay Avenue, Baltimore, MD 21225 33 Riggs Road, NE, Washington, DC 20011 5601 E Capitol Street, SE, Washington, DC 20019 33 Riggs Road, NE, Washington, DC 20011 17th & Benning Road, NE, Washington, DC 425 Second Street, NW, Washington, DC 20001 1900 Massachusetts Avenue, SE, Washington, DC 20003 1102 W Street, SE, Washington, DC 20020 1350 49th Street, NE, Washington, DC 20019 3100 Martin Luther King Jr Avenue, SE, Washington, DC 20032 3100 Martin Luther King Jr Avenue, SE, Washington, DC 20032 5241 36th St N, Arlington, VA 22207 53rd Dix Street, NE, Washington, DC 20019 4801 Nannie Helen Burroughs Avenue, NE, Washington, DC 20019 700 Delaware Avenue, SW, Washington, DC 20024 5600 Eads Street, NE, Washington, DC 20019 5600 Eads Street, NE, Washington, DC 20019 5600 Eads Street, NE, Washington, DC 20019 3400 Wheeler Road, SE, Washington, DC 20032 123 45th Street, NE, Washington, DC 20019 1700 East Capitol Street, NE, Washington, DC 20003 1700 E Capitol Street, NE, Washington, DC 20003 2835 Virginia Avenue, Baltimore, MD 21215-6560 3700 Oakview Terrace, NE, Washington, DC 20017 851 Braddish Avenue, Baltimore, MD 21216 3700 Oakview Terrace, NE, Washington, DC 20017 2501 Martin Luther King Jr Avenue, SE, Washington, DC 20020 8115 Gatehouse Road, Falls Church, VA 22042 15290 Purcellville Rd, Purcellville, VA 20132 96 Charles Johnson Farm Lane, Rising Sun, MD 21911 5298 Smoke House Court, Fort Belvoir, VA 22060 3779 Ely Place, SE, Washington, DC 20018 3779 Ely Place, SE, Washington, DC 20018 3779 Ely Place, SE, Washington, DC 20018 1812 Erie Street, SE, Washington, DC 20020 1812 Erie Street, SE, Washington, DC 20020 1812 Erie Street, SE, Washington, DC 20020 3630 Poffenberger Rd, Jefferson, MD 21755 3630 Poffenberger Rd, Jefferson, MD 21755 3630 Poffenberger Rd, Jefferson, MD 21755 3630 Poffenberger Rd, Jefferson, MD 21755 3630 Poffenberger Rd, Jefferson, MD 21755 3630 Poffenberger Rd, Jefferson, MD 21755 2301 Gwynns Falls Parkway, Baltimore, MD 21217-1336 645 Milwaukee Place, SE, Washington, DC 20032 2959 Carlton Avenue, NE, Washington, DC 20018 2959 Carlton Avenue, NE, Washington, DC 20018 2959 Carlton Avenue, NE, Washington, DC 20018 35 North Summit Avenue, Gaithersburg, MD 20877 101 Education Boulevard, Gaithersburg, MD 20877 1649 W Street, SE, Washington, DC 20020 2435 Alabama Avenue, SE, Washington, DC 20020 1200 S Street, NW, Washington, DC 20009 1311 N Gilmor Street, Baltimore, MD 21217-2398 15th Street and Girard Street, NW, Washington, DC 20009 13611 Robey Road, Silver Spring, MD 20904 38223 John Wolford Road, Purcellville, VA 20132 2700 Gwynns Falls Parkway, Baltimore, MD 21216 4605 Martin Luther King Jr Avenue SW, Washington, DC 20032 500 S Linwood Avenue, Baltimore, MD 21224 1401 W Lafayette Avenue, Baltimore, MD 21217 13407 Lydia Street, Silver Spring, MD 20906 601 Mississippi Avenue, SE, Washington, DC 20032 7630 Telegraph Rd, Alexandria, VA 22315 425 Chesapeake Street, SE, Washington, DC 20032 425 Chesapeake Street, SE, Washington, DC 20032 8115 Gatehouse Road, Falls Church, VA 22042 921 Pennsylvania Avenue, SE, Washington, DC 20003 921 Pennsylvania Avenue, SE, Washington, DC 20003 1100 50th Place, NE, Washington, DC 20019 1100 50th Place, NE, Washington, DC 20019 2041 Georgia Avenue, NW, Washington, DC 20060 3500 14th Street, NW, Washington, DC 20010 3924 Minnesota Avenue, NE, Washington, DC 20019 660 K Street, NE, Washington, DC 20002 4130 Albemarle Street, NW, Washington, DC 20016 801 7th Street, SW, Washington, DC 20024 710 Beacon Road, Silver Spring, MD 20903 1820 Monroe Street, NE, Washington, DC 20018 2011 Linden Avenue, Baltimore, MD 21217-4490 111 K Street, NW, Washington, DC 20001 111 K Street, NW, Washington, DC 20001 111 K Street, NW, Washington, DC 20001 301 49th Street, NE, Washington, DC 20019 301 49th Street, NE, Washington, DC 20019 1919 15th Street, SE, Washington, DC 20020 5001 Dana Place, NW, Washington, DC 20016 3375 Minnesota Avenue, SE, Washington, DC 20019 3375 Minnesota Avenue, SE, Washington, DC 20019 2600 Douglass Road, SE, Washington, DC 20020 1375 Mt Olivet Road, NE, Washington, DC 20002 1375 Mt Olivet Road, NE, Washington, DC 20002 1700 Q Street, SE, Washington, DC 20020 1700 Q Street, SE, Washington, DC 20020 1900 Evarts Street, NE, Washington, DC 20018 2901 20th Street, NE, Washington, DC 20018 1098 Delaware Avenue, SW, Washington, DC 20024 501 Riggs Road, NE, Washington, DC 20011 501 Riggs Road, NE, Washington, DC 20011 516 Montgomery Street, Laurel, MD 20707 4201 M.L. King Avenue, SW, Washington, DC 20032 4201 M.L. King Avenue, SW, Washington, DC 20032 3025 4th Street, NE, Washington, DC 20017 400 50th Stree, NE, Washington, DC 20019 400 50th Street, NE, Washington, DC 20018 802 S Caroline Street, Baltimore, MD 21231 PO Box 1521, Great Falls, VA 22066 9000 Richmond Highway, Alexandria, VA 22309 9000 Richmond Highway, Alexandria, VA 22309 301 N Pulaski Street, Baltimore, MD 21223 Woodbine, MD 659 G Street, NE, Washington, DC 20002 1500 Mississippi Avenue, SE, Washington, DC 20032 1500 Mississippi Avenue, SE, Washington, DC 20032 100 Gallatin Street, NE, Washington, DC 20011 4430 Newark Street, NW, Washington, DC 20016 2201 18th Street, NW, Washington, DC 20009 1519 Marion Street, NW, Washington, DC 20001 3200 6th Street, SE, Washington, DC 20032 2405 Tecumseh Street, Adelphi, MD 20783 1404 Jackson Street, NE, Washington, DC 20017 1404 Jackson Street, NE, Washington, DC 20017 1404 Jackson Street, NE, Washington, DC 20017 3912 Georgia Avenue, NW, Washington, DC 20011 2333 Ontario Road, NW, Washington, DC 20009 1305 Rhode Island Avenue, NE, Washington, DC 20018 1000 First Street, Rockville, MD 20850 600 Russell Road, Alexandria, VA 22301 1250 Constitution Avenue, NE, Washington, DC 20002 3744 Hayes Street, NE, Washington, DC 20019 3744 Hayes Street, NE, Washington, DC 20019 4300 Buchanan Avenue, Baltimore, MD 21211 4275 4th Sreet SE, Washington, DC 20032 601 15th Street, NE, Washington, DC 20002 601 15th Street, NE, Washington, DC 20002 2525 Kirk Avenue, Baltimore, MD 21218-4827 807 Daleview Drive, Silver Spring, MD 20901 500 19th Street, NE, Washington, DC 20002 1124 Greenway Road, Cockeysville, MD 21030 1565 Morris Road, SE, Washington, DC 20020 11661 Harpers Ferry Road, Purcellville, VA 20132 121 McMechen Street, Baltimore, MD 21217 8515 Old Mount Vernon Road, Alexandria, VA 22309 4015 Fielding Street, Alexandria, VA 22309 30 P Street, NW, Washington, DC 20001 30 P Street, NW, Washington, DC 20001 3373 Van Ness Street, NW, Washington, DC 20008 1333 N Street, NW, Washingont, DC 20005 219 50th Street, SE, Washington, DC 20019 219 50th Street, SE, Washington, DC 20019 3675 Ely Place, SE, Washington, DC 20019 20633 Mount Zion Road, Freeland, MD 21053 1114 Shawan Road Suite 1, Cockeysville, MD 21030 18608 Wasche Road, Dickerson, MD 20842 6600 B Roy Shafer Road, Middletown, MD 21769 3598 Hayes Street, NE, Washington, DC 20019 3551 Jay Street, NE, DC 20019 3513 Jay Street, NE, Washington, DC 20019 4399 South Capitol Terrace, SW, Washington, DC 20032 100 Kane Street, Baltimore, MD 21224 425 C Street, NE, Washington, DC 20002 7510 Maple Avenue, Takoma Park, MD 20912 4601 Texas Avenue, SE, Washington, DC 20019 5996 Augustine Herman Highway, Cecilton, MD 21913 3754 Martin Luther King Jr. Avenue, SE, Washington, DC 20032 1650 30th Street, SE, Washington, DC 20020 915 Spring Road, NW, Washington, DC 20010 3725 10th Street, NW, Washington, DC 20010 2701 Saint Louis Drive, Baltimore, MD 21213 2801 Saint Lo Drive, Baltimore, MD 21213 23400 Ridge Road, Germantown, MD 20876 23400 Ridge Road, Germantown, MD 20876 23400 Ridge Road, Germantown, MD 20876 405 Anacostia Avenue, NE, Washington, DC 20019 405 Anacostia Avenue, NE, Washington, DC 20019 8410 Old Mount Vernon Road, Alexandria, VA 22309 2335 Raynolds Place, SE, Washington, DC 20020 4300 Sidehill Road, Baltimore, MD 21229-1595 705 Bayfield Street Takoma Park, MD 20912 4800 Meade Street, NE, Washington, DC 20019 424 S Pulaski Street, Baltimore, MD 21223 12518 Greenly Street Silver Spring, Maryland, MD 20906 23217 Bayside Road, Leonardtown, MD 20650 2400 Shannon Place, SE, Washington, DC 20020 920 F Street, NE, Washington, DC 20002 2425 N Street, NW, Washington, DC 20037 1503 10th Street, NW, Washington, DC 20001 1503 10th Street, NW, Washington, DC 20001 1503 10th Street, NW, Washington, DC 20001 150 W West Street, Baltimore, MD 21230 401 Mississippi Avenue, SE, Washington, DC 20032 1401 Dennis Avenue, Silver Spring, MD 20902 4400 Brooks Street, NE, Washington, DC 20019 4400 Brooks Street, NE, Washington, DC 20019 4400 Brooks Street, NE, Washington, DC 20019 2025 Fendall Street, SE, Washington, DC 20003 2765 Naylor Road, SE, Washington, DC 20020 60 O Street, NW, Washington, DC 20001 740 Barnaby Street, SE, Washington, DC 20032 2025 Fendall Street, SE, Washington, DC 20003 2025 Fendall Street, SE, Washington, DC 20003 2765 Naylor Road, SE, Washington, DC 20020 2765 Naylor Road, SE, Washington, DC 20020 3650 Ely Place, SE, Washington, DC 20019 850 Delaware Avenue, SW, Washington, DC 20024 2701 Naylor Road, SE, Washington, DC 20020 2701 Naylor Road, SE, Washington, DC 20020 2701 Naylor Road, SE, Washington, DC 20020 4001 Calvert Street, NW, Washington, DC 20007 7010 Piney Branch Road, NW, Washington, DC 20012 15855 Limestone School Road, Leesburg, VA 20176 6001 Carters Lane, Riverdale, MD 20737 301 49th Street, NE, Washington, DC 20019 5623 McClean Boulevard, Baltimore, MD 21214 180 High Park Lane, Silver Spring, MD 20910 650 Maskell Street, Alexandria, VA 22301 1901 Mississippi Avenue, SE, Washington, DC 20020 1901 Mississippi Avenue, SE, Washington, DC 20020 1901 Mississippi Avenue, SE, Washington, DC 20020 650 Anacostia Avenue, NE, Washington, DC 20019 650 Anacostia Avenue, NE, Washington, DC 20019 650 Anacostia Avenue, NE, Washington, DC 20019 1200 L Street, NW, Washington, DC 20005 1200 L Street, NW, Washington, DC 20005 3104 4th Street, NE, Washington, DC 20017 800 Ingraham Street, NW, Washington, DC 20011 800 Ingraham Street, NW, Washington, DC 20011 5504 York Road, Baltimore, MD 21212-3805 3264 Stanton Road, SE, Washington, DC 20020 3264 Stanton Road, SE, Washington, DC 20020 4226 Maple Grove Road, Hampstead, MD 21074 1001 G Street, SE, Washington, DC 20003 1310 Southern Avenue, SE, Washington, DC 20032 3020 14th Street, NW, Washington, DC 20009 3020 14th Street, NW, Washington, DC 20009 3924 Minnesota Avenue, NE, Washington, DC 20019 3924 Minnesota Avenue, NE, Washington, DC 20019 765 Kenilworth Terrace, NE, Washington, DC 20019 3020 14th Street, NW, Washington, DC 20009 40 Patterson Street, NE, Washington, DC 20002 765 Kenilworth Terrace, NE, Washington, DC 20019 2123 Jull Hall University of Maryland 4196 Stadium Drive, College Park, MD 20742 3020 14th Street, NW, Washington, DC 20009 3403 16th Street, NW, Washington, DC 20010 1100 5th Street, SE, Washington, DC 20003 239 Harry S. Truman Drive., Largo, MD 20774 9311 Gaither Road, Gaithersburg, MD 20877 1125 New Jersey Avenue, NW, Washington, DC 20001 40 Patterson Street, NE, Washington, DC 20002 2500 Parkers Lane, Alexandria, VA 22306-3208 900 Varnum Street, NE, Washington, DC 20017 1920 Bladensburg Road, NE, Washington, DC 20002 9100 Cherrytree Drive, Alexandria, VA 22309 1901 Mississippi Avenue, SE, #203 Washington, DC 20020 1901 Mississippi Avenue, SE, #203 Washington, DC 20020 1604 Morris Road, SE, Washington, DC 20020 1604 Morris Road, SE, Washington, DC 20020 3501 New York Ave NE, Washington, DC 20002 3501 New York Avenue, NE, Washington, DC 20002 220 Taylor Street, NE, Washington, DC 20017 420 12th Street, SE, Washington, DC 20003 1338 Farragut Street, NW, Washington, DC 20011 4510 Faroe Place, Rockville, MD 20853 930 Whitelock Street, Baltimore, MD 21217 23595 Founders Drive, Ashburn, VA 20148 23595 Founders Drive, Ashburn, VA 20148 4001 Alto Road, Baltimore, MD 21216 8505 Highland Lane, Alexandria, VA 22309 8718 Old Mount Vernon Road, Alexandria, VA 22309 1801 Hamlin Street, NE, Washington, DC 20018 3950 Chesapeake Street, NW, Washington, DC 20016 1325 W Street, NW, Washington, DC 20009 1906 Allison Street, NE, Washington, DC 20018 2118 Ridgecrest Court, SE, Washington, DC 20020 1500 N Glebe Road, Arlington, VA 22207 900 Massachusetts Avenue, NW, Washington, DC 20001 219 Riggs Road, NE, Washington, DC 20011 900 Massachusetts Avenue, NW, Washington, DC 20001 4900 Puerto Rico Avenue, NE, Washington, DC 20017 1525 Newton Street, NW, Washington, DC 20010 755 8th Street, NW, Washington, DC 20001 4913 Crittenden Street, Edmonston, MD 20781 6100 Emerson Street, Bladensburg, MD 20710 4913 Crittenden Street, Edmonston, MD 20781 6100 Emerson Street, Bladensburg, MD 20710 4900 Puerto Rico Avenue NE, Washington, D.C. 20017 4900 Puerto Rico Avenue, NE, Washington, DC 20017 6100 Emerson Street, Bladensburg, MD 20710 4900 Puerto Rico Avenue, NE, Washington, DC 20017 2006 Rhode Island Avenue, NE, Washington, DC 20018 4900 Puerto Rico Avenue, NE, Washington, DC 20017 4913 Crittenden Street, Edmonston, MD 20781 1369 New York Avenue, NE, Washington, DC 20002 755 8th Street, NW, Washington, DC 20001 900 Massachusetts Avenue, NW, Washington, DC 20001 Kenyon Street and Park Place, NW, Washington, DC 20010 640 Anacostia Avenue NE, Washington, DC 20019 5506 3rd St. NW, Washington, DC 20011 1202 Kennedy St. NW, Washington, DC 20011 6200 Kansas Ave. NE, Washington, DC 20011 1017 New Jersey Ave. SE, Washington, DC 20003 1400 Main Dr. NW, Washington, DC 20012 4800 Auburn Ave, Bethesda, MD 20814 300 V St NW, Washington, D.C. 20001 212 South Washington Street, Alexandria, VA 22314 3400 Wheeler Rd SE, Washington, DC 20032'; preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0); // Print the entire match result var_dump($matches);

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 PHP, please visit: http://php.net/manual/en/ref.pcre.php