serverMontime/src/modules/auth/dto/request-otp.dto.ts

import { ApiProperty } from '@nestjs/swagger';
import { IsString, Matches } from 'class-validator';

export class RequestOtpDto {
  @ApiProperty({ example: '09122222222' })
  @IsString()
  @Matches(/^(\+?\d{10,15}|09\d{9})$/, {
    message: 'mobile must be a valid mobile number',
  })
  mobile!: string;
}