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

/
/
gm

Test String

Code Generator

Generated Code

$re = '/<form.+action="(.*?)".*>\n.*?<input.*?value="(.*?)".*>\n.*?<input.*?value="(.*?)".*>\n.*?<input.*?value="(.*?)"|<input id="(.*?)"|<input name="(.*?)"/m'; $str = '<form accept-charset="UTF-8" action="https://appname.infusionsoft.com/app/form/process/6488f3cca2ac451a9d4f416c48f4c3bc" class="infusion-form" id="inf_form_6488f3cca2ac451a9d4f416c48f4c3bc" method="POST"> <input name="inf_form_xid" type="hidden" value="6488f3cca2ac451a9d4f416c48f4c3bc" /> <input name="inf_form_name" type="hidden" value="Regex Text Webform" /> <input name="infusionsoft_version" type="hidden" value="1.70.0.369835" /> <div class="infusion-field"> <label for="inf_field_FirstName">Vorname</label> <input id="inf_field_FirstName" name="inf_field_FirstName" placeholder="Vorname" type="text" /> </div> <div class="infusion-field"> <label for="inf_field_Email">Email *</label> <input id="inf_field_Email" name="inf_field_Email" placeholder="Email *" type="text" /> </div> <div class="infusion-field"> <label for="inf_field_Phone1">Phone 1</label> <input id="inf_field_Phone1" name="inf_field_Phone1" placeholder="Phone 1" type="text" /> </div> <div class="infusion-field"> <label for="inf_custom_WebinarTitel0">Webinar Titel</label> <input id="inf_custom_WebinarTitel0" name="inf_custom_WebinarTitel0" placeholder="Webinar Titel" type="text" /> </div> <div class="infusion-field"> <label for="inf_custom_WebinarTeilnahmelink0">Webinar Teilnahmelink *</label> <input id="inf_custom_WebinarTeilnahmelink0" name="inf_custom_WebinarTeilnahmelink0" placeholder="Webinar Teilnahmelink *" type="text" /> </div> <input name="inf_field_LeadSourceId" type="hidden" value="null" /> <input name="inf_custom_Quelle" type="hidden" value="null" /> <div> <div>&nbsp;</div> </div> <div class="infusion-submit"> <button class="infusion-recaptcha" id="recaptcha_6488f3cca2ac451a9d4f416c48f4c3bc" type="submit">Los gehts!</button> </div> </form> <script type="text/javascript" src="https://appname.infusionsoft.app/app/webTracking/getTrackingCode"></script> <script type="text/javascript" src="https://appname.infusionsoft.com/resources/external/recaptcha/production/recaptcha.js?b=1.70.0.369835-hf-202106081103"></script> <script src="https://www.google.com/recaptcha/api.js?onload=onloadInfusionRecaptchaCallback&render=explicit" async="async" defer="defer"></script> <script type="text/javascript" src="https://appname.infusionsoft.com/app/timezone/timezoneInputJs?xid=6488f3cca2ac451a9d4f416c48f4c3bc"></script> <script type="text/javascript" src="https://appname.infusionsoft.com/js/jquery/jquery-3.3.1.js"></script> <script type="text/javascript" src="https://appname.infusionsoft.app/app/webform/overwriteRefererJs"></script>'; 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