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

/
/
g

Test String

Code Generator

Language

Generated Code

package main import ( "regexp" "fmt" ) func main() { var re = regexp.MustCompile(`\s[0-9]\s([A-Z]{2,3})([0-9\s]{4})\s([A-Z])\s\s([A-Z]{1,2})\s([0-9]{1,2})(JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC)\s\s([A-Z]{3})([A-Z]{3})\s([A-Z0-9]{3})\s(X|\s)\s([0-9]{2})([0-9]{2})\s([0-9]{2})([0-9]{2})(\s|\*)([A-Z]*)\s(.*)`) var str = `1.3SAHIN/FATMAMRS/MUSTAFAMR/SEMIHMSTR 4.I/1SAHIN/MUSABMSTR 2ZSTKOS 13SEP UNBFML 1 TK1616 W WE 25NOV FRASAW HK3 X 1745 2145 Y M01.1E 2 TK7230 Y WE 25NOV SAWTZX HK3 2245 0025*Y M01.2E ANADOLUJET IS A TRADEMARK OF TURKISH AIRLINES 3 TK2839 Y SA 12DEC TZXIST HK3 X 0645 0840 Y M02.1E 4 TK1591 S SA 12DEC ISTFRA HK3 1140 1355 Y M02.2E FONE-2ZS00-T REISEBURO SAHIN 06042/951616` for i, match := range re.FindAllString(str, -1) { fmt.Println(match, "found at index", 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 Golang, please visit: https://golang.org/pkg/regexp/