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
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  • Anchors
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  • Quantifiers
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  • Character Classes
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  • 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

/
/
gm

Test String

Code Generator

Generated Code

#include <StringConstants.au3> ; to declare the Constants of StringRegExp #include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate Local $sRegex = "(?m)(?<=COLLAPSE\sMULTIPLIER\s=\s)(\d*.?\d*)" Local $sString = "" & @CRLF & _ "==========================================================================" & @CRLF & _ "STAGE: C/D=1, Fc, Ø=0, LB" & @CRLF & _ "ANALYSIS TYPE: Limit Analysis " & @CRLF & _ "ELEMENT TYPE: Lower " & @CRLF & _ "TIME SCOPE: Long Term " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "ADAPT ITR COLLAPSE SOLVER STATUS " & @CRLF & _ "STEP MULTIPLIER " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "1 1 1.918E+00 Converged " & @CRLF & _ "2 1 1.944E+00 Converged " & @CRLF & _ "3 1 1.945E+00 Converged " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "No OF TRIANGLES = 1890" & @CRLF & _ "No OF EDGES = 2861" & @CRLF & _ "No OF NODES = 972" & @CRLF & _ "" & @CRLF & _ "COLLAPSE MULTIPLIER = 1.945" & @CRLF & _ "==========================================================================" & @CRLF & _ "==========================================================================" & @CRLF & _ "STAGE: C/D=2, Fc, Ø=0, LB" & @CRLF & _ "ANALYSIS TYPE: Limit Analysis " & @CRLF & _ "ELEMENT TYPE: Lower " & @CRLF & _ "TIME SCOPE: Long Term " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "ADAPT ITR COLLAPSE SOLVER STATUS " & @CRLF & _ "STEP MULTIPLIER " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "1 1 3.505E+00 Converged " & @CRLF & _ "2 1 3.613E+00 Converged " & @CRLF & _ "3 1 3.594E+00 Converged " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "No OF TRIANGLES = 1818" & @CRLF & _ "No OF EDGES = 2759" & @CRLF & _ "No OF NODES = 942" & @CRLF & _ "" & @CRLF & _ "COLLAPSE MULTIPLIER = 3.594" & @CRLF & _ "==========================================================================" & @CRLF & _ "==========================================================================" & @CRLF & _ "STAGE: C/D=3, Fc, Ø=0, LB" & @CRLF & _ "ANALYSIS TYPE: Limit Analysis " & @CRLF & _ "ELEMENT TYPE: Lower " & @CRLF & _ "TIME SCOPE: Long Term " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "ADAPT ITR COLLAPSE SOLVER STATUS " & @CRLF & _ "STEP MULTIPLIER " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "1 1 4.493E+00 Converged " & @CRLF & _ "2 1 4.632E+00 Converged " & @CRLF & _ "3 1 4.648E+00 Converged " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "No OF TRIANGLES = 1850" & @CRLF & _ "No OF EDGES = 2809" & @CRLF & _ "No OF NODES = 960" & @CRLF & _ "" & @CRLF & _ "COLLAPSE MULTIPLIER = 4.648" & @CRLF & _ "==========================================================================" & @CRLF & _ "==========================================================================" & @CRLF & _ "STAGE: C/D=4, Fc, Ø=0, LB" & @CRLF & _ "ANALYSIS TYPE: Limit Analysis " & @CRLF & _ "ELEMENT TYPE: Lower " & @CRLF & _ "TIME SCOPE: Long Term " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "ADAPT ITR COLLAPSE SOLVER STATUS " & @CRLF & _ "STEP MULTIPLIER " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "1 1 5.111E+00 Converged " & @CRLF & _ "2 1 5.368E+00 Converged " & @CRLF & _ "3 1 5.361E+00 Converged " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "No OF TRIANGLES = 1878" & @CRLF & _ "No OF EDGES = 2851" & @CRLF & _ "No OF NODES = 974" & @CRLF & _ "" & @CRLF & _ "COLLAPSE MULTIPLIER = 5.361" & @CRLF & _ "==========================================================================" & @CRLF & _ "==========================================================================" & @CRLF & _ "STAGE: C/D=5, Fc, Ø=0, LB" & @CRLF & _ "ANALYSIS TYPE: Limit Analysis " & @CRLF & _ "ELEMENT TYPE: Lower " & @CRLF & _ "TIME SCOPE: Long Term " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "ADAPT ITR COLLAPSE SOLVER STATUS " & @CRLF & _ "STEP MULTIPLIER " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "1 1 5.768E+00 Converged " & @CRLF & _ "2 1 5.903E+00 Converged " & @CRLF & _ "3 1 5.898E+00 Converged " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "No OF TRIANGLES = 1909" & @CRLF & _ "No OF EDGES = 2900" & @CRLF & _ "No OF NODES = 992" & @CRLF & _ "" & @CRLF & _ "COLLAPSE MULTIPLIER = 5.898" & @CRLF & _ "==========================================================================" & @CRLF & _ "==========================================================================" & @CRLF & _ "STAGE: C/D=6, Fc, Ø=0, LB" & @CRLF & _ "ANALYSIS TYPE: Limit Analysis " & @CRLF & _ "ELEMENT TYPE: Lower " & @CRLF & _ "TIME SCOPE: Long Term " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "ADAPT ITR COLLAPSE SOLVER STATUS " & @CRLF & _ "STEP MULTIPLIER " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "1 1 6.088E+00 Converged " & @CRLF & _ "2 1 6.312E+00 Converged " & @CRLF & _ "3 1 6.360E+00 Converged " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "No OF TRIANGLES = 1868" & @CRLF & _ "No OF EDGES = 2841" & @CRLF & _ "No OF NODES = 974" & @CRLF & _ "" & @CRLF & _ "COLLAPSE MULTIPLIER = 6.360" & @CRLF & _ "==========================================================================" & @CRLF & _ "==========================================================================" & @CRLF & _ "STAGE: C/D=7, Fc, Ø=0, LB" & @CRLF & _ "ANALYSIS TYPE: Limit Analysis " & @CRLF & _ "ELEMENT TYPE: Lower " & @CRLF & _ "TIME SCOPE: Long Term " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "ADAPT ITR COLLAPSE SOLVER STATUS " & @CRLF & _ "STEP MULTIPLIER " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "1 1 6.309E+00 Converged " & @CRLF & _ "2 1 6.671E+00 Converged " & @CRLF & _ "3 1 6.727E+00 Converged " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "No OF TRIANGLES = 1955" & @CRLF & _ "No OF EDGES = 2974" & @CRLF & _ "No OF NODES = 1020" & @CRLF & _ "" & @CRLF & _ "COLLAPSE MULTIPLIER = 6.727" & @CRLF & _ "==========================================================================" & @CRLF & _ "==========================================================================" & @CRLF & _ "STAGE: C/D=8, Fc, Ø=0, LB" & @CRLF & _ "ANALYSIS TYPE: Limit Analysis " & @CRLF & _ "ELEMENT TYPE: Lower " & @CRLF & _ "TIME SCOPE: Long Term " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "ADAPT ITR COLLAPSE SOLVER STATUS " & @CRLF & _ "STEP MULTIPLIER " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "1 1 6.534E+00 Converged " & @CRLF & _ "2 1 6.981E+00 Converged " & @CRLF & _ "3 1 7.038E+00 Converged " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "No OF TRIANGLES = 1798" & @CRLF & _ "No OF EDGES = 2738" & @CRLF & _ "No OF NODES = 941" & @CRLF & _ "" & @CRLF & _ "COLLAPSE MULTIPLIER = 7.038" & @CRLF & _ "==========================================================================" & @CRLF & _ "==========================================================================" & @CRLF & _ "STAGE: C/D=9, Fc, Ø=0, LB" & @CRLF & _ "ANALYSIS TYPE: Limit Analysis " & @CRLF & _ "ELEMENT TYPE: Lower " & @CRLF & _ "TIME SCOPE: Long Term " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "ADAPT ITR COLLAPSE SOLVER STATUS " & @CRLF & _ "STEP MULTIPLIER " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "1 1 6.691E+00 Converged " & @CRLF & _ "2 1 7.284E+00 Converged " & @CRLF & _ "3 1 7.337E+00 Converged " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "No OF TRIANGLES = 1852" & @CRLF & _ "No OF EDGES = 2820" & @CRLF & _ "No OF NODES = 969" & @CRLF & _ "" & @CRLF & _ "COLLAPSE MULTIPLIER = 7.337" & @CRLF & _ "==========================================================================" & @CRLF & _ "==========================================================================" & @CRLF & _ "STAGE: C/D=10, Fc, Ø=0, LB" & @CRLF & _ "ANALYSIS TYPE: Limit Analysis " & @CRLF & _ "ELEMENT TYPE: Lower " & @CRLF & _ "TIME SCOPE: Long Term " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "ADAPT ITR COLLAPSE SOLVER STATUS " & @CRLF & _ "STEP MULTIPLIER " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "1 1 6.900E+00 Converged " & @CRLF & _ "2 1 7.506E+00 Converged " & @CRLF & _ "3 1 7.584E+00 Converged " & @CRLF & _ "--------------------------------------------------------------------------" & @CRLF & _ "No OF TRIANGLES = 1868" & @CRLF & _ "No OF EDGES = 2843" & @CRLF & _ "No OF NODES = 976" & @CRLF & _ "" & @CRLF & _ "COLLAPSE MULTIPLIER = 7.584" & @CRLF & _ "==========================================================================" Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYGLOBALFULLMATCH) Local $aFullArray[0] For $i = 0 To UBound($aArray) -1 _ArrayConcatenate($aFullArray, $aArray[$i]) Next $aArray = $aFullArray ; Present the entire match result _ArrayDisplay($aArray, "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 AutoIt, please visit: https://www.autoitscript.com/autoit3/docs/functions/StringRegExp.htm