Builds Jenkins jobs matching a certain regex with optional parameters

jenkinsBuildWithParams.groovy

import jenkins.model.*

def matchedJobs = Jenkins.instance.items.findAll { job ->
  job.name =~ /job_regex_here/
}

matchedJobs.each { job ->
  println job.name
  // without parameters
  //job.scheduleBuild(new Cause.UserIdCause())
  
  // with parameters
  //def params = [new StringParameterValue('PARAM1', 'value1')]
  //job.scheduleBuild2(0, new Cause.UserIdCause(), new ParametersAction(params))
}