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
Processing...

Test String

Code Generator

Language

Generated Code

$re = '/\/\*\*\s*@ngInject\s*\*\/\n*\s*function\s+(\w+)\((.*)\) \{/mi'; $str = 'define([], function () { \'use strict\'; /** @ngInject */ function ideasHomeController($scope, ideasDataSvc) { $scope.ideaName = "Todo List"; $scope.gridOptions = { data: \'ideas\', columnDefs: [ {field: \'name\', displayName: \'Name\'}, {field: \'technologies\', displayName: \'Technologies\'}, {field: \'platform\', displayName: \'Platforms\'}, {field: \'status\', displayName: \'Status\'}, {field: \'devsNeeded\', displayName: \'Vacancies\'}, { field: \'id\', displayName: \'View Details\', cellTemplate: \'<a ng-href="#/details/{{row.getProperty(col.field)}}">View Details</a>\' } ], enableColumnResize: true }; ideasDataSvc.allIdeas().then(function (result) { $scope.ideas = result; console.log($scope.ideas); }); } ideasHomeController.$inject = [\'$scope\', \'ideasDataSvc\']; return ideasHomeController; });'; 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