Regular Expressions 101

Save & Share

  • Regex Version: ver. 1
  • Update Regex
    ctrl+⇧+s
  • Save new Regex
    ctrl+s
  • Add to Community Library

Flavor

  • PCRE2 (PHP >=7.3)
  • PCRE (PHP <7.3)
  • ECMAScript (JavaScript)
  • Python
  • Golang
  • Java 8
  • .NET 7.0 (C#)
  • Rust
  • Regex Flavor Guide

Function

  • Match
  • Substitution
  • List
  • Unit Tests

Tools

Sponsors
There are currently no sponsors. Become a sponsor today!
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

/
/
g

Test String

Substitution

Processing...

Code Generator

Generated Code

const regex = /\$organization\['(.1*?)/g; // Alternative syntax using RegExp constructor // const regex = new RegExp('\\$organization\\[\'(.1*?)', 'g') const str = `<?php \$view->extend('layout.html.php') ?> <div class="boxContainer contentContainer textContainer"> <?php //echo \$this->partial('common/notifications.phtml', 'default', //array('messages' => \$this->notificationMessages)); ?> <?php echo \$view->render(':scripts:common/notifications.html.php') ?> <h2 class="contentHeader"><span><?php echo \$view['translator']->trans('om.organization.detail.heading', [], 'om');?></span></h2> <div class="detail"> <!-- Organization --> <?php if (!empty(\$organization['name'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.name', [], 'om');?><span data-igo-help-tooltip="help.om.organization.name.tooltip"></span></span> <span class="field"><?php echo \$view->escape(\$organization['name']);?></span> </div> <?php endif; ?> <?php if (isset(\$organization['active'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.active', [], 'om');?><span data-igo-help-tooltip="help.om.organization.active.tooltip"></span></span> <span class="field"><?php /* @fixme echo \$this->stateImage(\$organization['active'] ? 'ACTIVE' : 'INACTIVE') . ' ' . \$this->booleanMessage(\$organization['active']); */?></span> </div> <?php endif; ?> <?php if (!empty(\$organization['type'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.type', [], 'om');?><span data-igo-help-tooltip="help.om.organization.type.tooltip"></span></span> <span class="field"><?php echo \$view->escape(\$view['translator']->trans('om.organization.type.' . \$organization['type'], [], 'om')); ?></span> </div> <?php endif; ?> <?php if (!empty(\$organization['ownerOrganizationId'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.ownerOrganization', [], 'om');?><span data-igo-help-tooltip="help.om.organization.ownerOrganization.tooltip"></span></span> <span class="field"> <?php // echo \$this->entityReference('organization', \$organization['ownerOrganizationId']); ?> </span> </div> <?php endif; ?> <?php if (!empty(\$childOrganizations)): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.childOrganizations', [], 'om');?><span data-igo-help-tooltip="help.om.organization.childOrganizations.tooltip"></span></span> <span class="field"> <?php for (\$i = 0; \$i < count(\$childOrganizations); \$i++): ?> <?php echo \$childOrganizations[\$i]['name']; ?> <?php if (\$i < count(\$childOrganizations) -1 ): ?>, <?php endif; ?> <?php endfor; ?> </span> </div> <?php endif; ?> <?php if (!empty(\$organization['countryIds'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.countryIds', [], 'om');?><span data-igo-help-tooltip="help.om.organization.countryIds.tooltip"></span></span> <span class="field"> <?php foreach (\$organization['countryIds'] as \$countryId): ?> <?php // echo \$view->escape(\$this->country(\$countryId)->getCountryName()); ?><br /> <?php endforeach; ?> </span> </div> <?php endif; ?> <?php if (!empty(\$organization['languageCodes'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.languageCodes', [], 'om');?><span data-igo-help-tooltip="help.om.organization.languageCodes.tooltip"></span></span> <span class="field"> <?php for (\$i = 0; \$i < count(\$organization['languageCodes']); \$i++) { if (!empty(\$organization['languageCodes'][\$i])) { // echo \$this->entityReference('language', trim(\$organization['languageCodes'][\$i])); if (\$i !== count(\$organization['languageCodes']) - 1) { echo ', '; } } } ?> </span> </div> <?php endif; ?> <?php if (!empty(\$organization['roles'])):?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.person.roles', [], 'om'); ?><span data-igo-help-tooltip="help.om.organization.roles.tooltip"></span></span> <span class="field"> <?php for (\$i = 0; \$i < count(\$organization['roles']); \$i++) :?> <?php echo \$organization['roles'][\$i]['name']; ?> <?php if (\$i < count(\$organization['roles']) -1): ?>, <?php endif; ?> <?php endfor;?> </span> </div> <?php endif;?> <?php if (\$organization['type'] === 'POS' & !empty(\$organization['flags'])): ?> <?php foreach(\$organization['flags'] as \$flag): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.' . \$flag);?><span data-igo-help-tooltip="help.om.organization.<?= \$flag ?>.tooltip"></span></span> <span class="field">Yes</span> </div> <?php endforeach; ?> <?php endif; ?> <?php if (!empty(\$organization['logotypeFilename'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('image', [], 'om'); ?><span data-igo-help-tooltip="help.om.organization.logotypeFilename.tooltip"></span></span> <span class="field"> <?php if (\$organization['logotypeFilename']): ?> <img src="<?php echo \$view->escape(\$organization['logotypeFilename']); ?>" alt="<?php echo \$view->escape(\$organization['name']); ?>" title="<?php echo \$view->escape(\$organization['name']); ?>"/> <?php endif; ?> </span> </div> <?php endif; ?> <?php if (!empty(\$organization['description'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.description', [], 'om');?><span data-igo-help-tooltip="help.om.organization.description.tooltip"></span></span> <span class="field"><?php echo \$view->escape(\$organization['description']);?></span> </div> <?php endif; ?> <?php if (!empty(\$organization['customCardType'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.customCardType', [], 'om');?><span data-igo-help-tooltip="help.om.organization.customCardType.tooltip"></span></span> <span class="field"><?php echo \$view->escape(\$organization['customCardType']); ?></span> </div> <?php endif; ?> <?php if (!empty(\$organization['contractStartDate'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.contractStartDate', [], 'om');?><span data-igo-help-tooltip="help.om.organization.contractStartDate.tooltip"></span></span> <span class="field"><?php echo \$organization['contractStartDate'];?></span> </div> <?php endif; ?> <?php if (!empty(\$organization['contractEndDate'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.contractEndDate', [], 'om');?><span data-igo-help-tooltip="help.om.organization.contractEndDate.tooltip"></span></span> <span class="field"><?php echo \$organization['contractEndDate'];?></span> </div> <?php endif; ?> <?php if (!empty(\$organization['mamutId'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.mamutId', [], 'om');?><span data-igo-help-tooltip="help.om.organization.mamutId.tooltip"></span></span> <span class="field"><?php echo \$organization['mamutId'];?></span> </div> <?php endif; ?> <?php if (!empty(\$organization['contactEmail'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.contactEmail', [], 'om');?><span data-igo-help-tooltip="help.om.organization.contactEmail.tooltip"></span></span> <span class="field"><?php echo \$organization['contactEmail'];?></span> </div> <?php endif; ?> <hr /> <!-- Contact attributes --> <?php if (!empty(\$organization['address1'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.address1', [], 'om');?><span data-igo-help-tooltip="help.om.organization.address1.tooltip"></span></span> <span class="field"><?php echo \$view->escape(\$organization['address1']);?></span> </div> <?php endif; ?> <?php if (!empty(\$organization['address2'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.address2', [], 'om');?><span data-igo-help-tooltip="help.om.organization.address2.tooltip"></span></span> <span class="field"><?php echo \$view->escape(\$organization['address2']);?></span> </div> <?php endif; ?> <?php if (!empty(\$this->postalCode['cardType'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.postalCode', [], 'om');?><span data-igo-help-tooltip="help.om.organization.postalCode.tooltip"></span></span> <span class="field"><?php echo \$view->escape(\$organization['postalCode']);?></span> </div> <?php endif; ?> <?php if (!empty(\$organization['cityGeoId'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.cityGeoId', [], 'om');?><span data-igo-help-tooltip="help.om.organization.cityGeoId.tooltip"></span></span> <span class="field"><?php // echo \$view->escape(\$this->city(\$organization['cityGeoId'])->getCityName());?></span> </div> <?php endif; ?> <?php if (!empty(\$organization['phone'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.phone', [], 'om');?><span data-igo-help-tooltip="help.om.organization.phone.tooltip"></span></span> <span class="field"><?php echo \$view->escape(\$organization['phone']);?></span> </div> <?php endif; ?> <?php if (!empty(\$organization['fax'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.fax', [], 'om');?><span data-igo-help-tooltip="help.om.organization.fax.tooltip"></span></span> <span class="field"><?php echo \$view->escape(\$organization['fax']);?></span> </div> <?php endif; ?> <?php if (!empty(\$organization['email'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.email', [], 'om');?><span data-igo-help-tooltip="help.om.organization.email.tooltip"></span></span> <span class="field"><?php echo \$view->escape(\$organization['email']);?></span> </div> <?php endif; ?> <!-- Operational attributes --> <hr /> <?php if (!empty(\$organization['createdDate'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.createdDate', [], 'om');?><span data-igo-help-tooltip="help.om.organization.createdDate.tooltip"></span></span> <span class="field"><?php echo \$organization['createdDate'];?></span> </div> <?php endif; ?> <?php if (!empty(\$organization['lastModifiedDate'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.lastModifiedDate', [], 'om');?><span data-igo-help-tooltip="help.om.organization.lastModifiedDate.tooltip"></span></span> <span class="field"><?php echo \$organization['lastModifiedDate'];?></span> </div> <?php endif; ?> <?php if (!empty(\$organization['lastModifiedByUserId'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('lastModifiedByUser', [], 'common'); ?><span data-igo-help-tooltip="help.om.organization.lastModifiedByUser.tooltip"></span></span> <span class="field"> <?php // echo \$this->entityReference('user', \$organization['lastModifiedByUserId']); ?> </span> </div> <?php endif; ?> <!-- Additional organization info --> <?php if (!empty(\$organization['websites']) || !empty(\$organization['twitterLink']) || !empty(\$organization['facebookLink']) || !empty(\$organization['studentPopulation']) || !empty(\$organization['cardRetailSellingPrice'])): ?> <hr /> <?php endif; ?> <?php if (!empty(\$organizationWebsites)): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.website', [], 'om'); ?><span data-igo-help-tooltip="help.om.organization.website.tooltip"></span></span> <span class="field"> <?php for (\$i = 0; \$i < \$websitesCount = count(\$organizationWebsites); \$i++) :?> <a href="<?php echo \$organizationWebsites[\$i]; ?>" target="_blank"><?php echo \$organizationWebsites[\$i]; ?></a> <?php if (\$i != \$websitesCount - 1) { echo(", "); } ?> <?php endfor;?> </div> <?php endif; ?> <?php if (!empty(\$organization['twitterLink'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.twitterLink', [], 'om'); ?><span data-igo-help-tooltip="help.om.organization.twitterLink.tooltip"></span></span> <span class="field"><a href="<?php echo \$organization['twitterLink'];?>" target="_blank"><?php echo \$organization['twitterLink'];?></a></span> </div> <?php endif; ?> <?php if (!empty(\$organization['facebookLink'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.facebookLink', [], 'om'); ?><span data-igo-help-tooltip="help.om.organization.facebookLink.tooltip"></span></span> <span class="field"><a href="<?php echo \$organization['facebookLink'];?>" target="_blank"><?php echo \$organization['facebookLink'];?></a></span> </div> <?php endif; ?> <?php if (!empty(\$organization['studentPopulation'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.studentPopulation', [], 'om'); ?><span data-igo-help-tooltip="help.om.organization.studentPopulation.tooltip"></span></span> <span class="field"><?php echo \$organization['studentPopulation'];?></span> </div> <?php endif; ?> <?php if (!empty(\$organization['cardRetailSellingPrice'])): ?> <div class="fieldRow"> <span class="label"><?php echo \$view['translator']->trans('om.organization.cardRetailSellingPrice', [], 'om'); ?><span data-igo-help-tooltip="help.om.organization.cardRetailSellingPrice.tooltip"></span></span> <span class="field"><?php echo \$organization['cardRetailSellingPrice'];?></span> </div> <?php endif; ?> </div> </div> <?php if (Default_Model_SecurityUtils::hasPermission('ROLE_OM_ORGANIZATION_READ')): ?> <div class="pageControls"> <div class="left"> <?php // @FIXME \$defaultBackUrl = \$this->url(array('controller' => 'organizations', 'action' => 'search', 'module' => 'om'), 'default'); ?> <a class="btn btn-link" href="<?php // echo \$this->backUrl(\$defaultBackUrl); ?>"><?php echo \$view['translator']->trans('back', [], 'common'); ?></a> </div> <div class="right"> <?php // @FIXME \$targetUrl = \$this->url(array('action' => 'edit', 'id' => \$organization['organizationId']), 'resource'); ?> <?php //@FIXME echo \$this->renderButton('edit', array('style' => 'wlw', 'align' => 'right', //'href' => \$this->backUrlAppend(\$targetUrl))); ?> </div> <div class="clearer"></div> </div> <?php endif; ?> `; const subst = `\$organization\['\U\1\E`; // The substituted value will be contained in the result variable const result = str.replace(regex, subst); console.log('Substitution result: ', 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 JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions