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

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "\\b\\d{7}\\s+([A-Za-z].*?)\\s+[TNGM]\\b"; final String string = "\n" + "['9076968 ADT 10mg 60comp 22CN014A T E1 059366 5 2,72 1,97 1,56 0,0 0,01 6 1,57 7,85', '9076943 ADT 25mg 60comp 22CN061A T E1 059366 10 3,91 3,09 2,60 0,0 0,01 6 2,61 26,10', '3506888 Aerius 5mg 20comp W010992 T E1 094546 5 4,99 4,11 3,53 10,0 0,02 6 3,20 16,00', '9046755 Aldactone 25mg 60comp B28191 G E1 084399 10 5,42 4,51 3,90 22,0 0,02 6 3,06 30,60', '5282132 Aranka MG 3mg+0,03mg 63comp T21521A G E2 087961 5 8,22 6,51 5,47 12,5 0,03 6 4,82 24,10', '6589168 Arnidol Gel Stick 15ml S-02 G NETT 054786 5 5,80 16,0 0,00 23 4,87 24,35', '5260542 Atorvastatina Azevedos MG 10mg 56comp 11400 T E1 094546 10 3,76 2,94 2,46 55,0 0,01 6 1,12 11,20', '5260559 Atorvastatina Azevedos MG 20mg 28comp 20515 T E1 059366 20 3,57 2,76 2,29 55,0 0,01 6 1,04 20,80', '5260575 Atorvastatina Azevedos MG 40mg 28comp 20516 T E1 059366 10 4,46 3,61 3,07 55,0 0,02 6 1,40 14,00', '5629506 Atozet 10mg+20mg 30comp W016401 N E5 093541 5 41,63 34,59 29,72 0,0 0,16 6 29,88 149,40', '7377390 Atyflor 10saq 124011 G NETT 087961 5 8,25 14,3 0,00 23 7,07 35,35', '2003093 Bebegel Gel Retal 6un 2206EA M NETT 024839 5 4,00 0,0 0,00 6 4,00 20,00', '8435701 Betadine Solucao Cutanea 125ml 326893 M NETT 084780 10 4,20 0,0 0,00 6 4,20 42,00', '2869584 Betamox Plus 875mg+125mg 16comp R017905R T E1 093541 30 6,34 5,39 4,71 60,0 0,02 6 1,90 57,00', '8184812 Betnovate 1mg/g Pomada 30g S63C N E1 022851 5 3,46 2,66 2,20 0,0 0,01 6 2,21 11,05', '2184992 Biloban 40mg 60comp rev R002315R T E2 059366 10 9,57 7,44 6,32 10,0 0,04 6 5,73 57,30', '5065487 Bisoprolol Sandoz MG 5mg 56comp LX8098 N E1 022851 5 5,01 4,13 3,55 0,0 0,02 6 3,57 17,85', '5138276 Buprenorfina Azevedos MG 8mg 7comp (P) 22E16 T E3 087485 30 11,15 8,83 7,42 5,0 0,04 6 7,09 212,70', '3126489 Calcitab 1500mg 60comp EQ22502 N E1 054786 5 6,29 5,34 4,66 0,0 0,02 6 4,68 23,40', '9729509 Cartia 100mg 28comp 20015 G E1 022851 30 5,41 4,13 3,55 45,0 0,02 6 1,97 59,10', '5037288 Ciprofloxacina Azevedos MG 500mg 16comp 11496 T E3 054786 5 10,87 8,57 7,18 70,0 0,04 6 2,19 10,95', '5273487 Co-Diovan Forte 160mg+25mg 28comp TRM93 N E2 022851 5 8,10 6,40 5,37 0,0 0,03 6 5,40 27,00', '8287607 Cordarone 200 mg x 60 Comprimidos 2R362 N E3 022851 5 11,36 9,03 7,61 0,0 0,04 6 7,65 38,25', '5440284 Coversyl 5mg 30comp rev 711191 N E1 022851 10 6,47 5,52 4,83 0,0 0,02 6 4,85 48,50', '5627781 Cozaar Plus 100mg + 12,5mg 28comp W020945 T E2 054786 5 7,69 6,01 5,01 9,0 0,03 6 4,59 22,95'"; final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE); final Matcher matcher = pattern.matcher(string); while (matcher.find()) { System.out.println("Full match: " + matcher.group(0)); for (int i = 1; i <= matcher.groupCount(); i++) { System.out.println("Group " + i + ": " + matcher.group(i)); } } } }

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 Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html