Not Solved auto add code tags in post
Not Solved
We are a programming forum that requires users to post code in code tags. And a lot of people dont. Is there a plugin available that either 1) denies a post because it detected a certain code in the post without code tags, or 2) auto inserts code tags around the determined code? 

Or is there something similar to that in the plugins?
Not Solved
does the program code contain fixed patterns at the beginning and at the end ?
[eg. starts with the code begin & ends with the code end]
Not Solved
It is Python.  So there are no curly braces and it mostly resembles common speech or pseudocode. The one feature that separates it from others is blocks of code are indicated by whitespace rather than braces. However there are some people who post code with no indentation at all. But that would at least limit the issue to people not posting with indentation. 

It could go from anywhere from 
print('hello world')
import pygame as pg
import math
import random
import os
pg.mixer.pre_init(44100, -16, 1, 512)
class Enemy:
    total = 3
    def __init__(self, images, screen_rect, start_pos):
        self.screen_rect = screen_rect
        self.image = images[0]
        self.mask = images[1]
        start_buffer = 0
        self.rect = self.image.get_rect(
            center=(start_pos[0], start_pos[1])
        self.distance_above_player = 100 
        self.speed = 2
        self.bullet_color = (255,0,0)
        self.is_hit = False
        self.range_to_fire = False
        self.timer = 0.0
        self.bullets = [ ]
        self.dead = False
    def pos_towards_player(self, player_rect):
        c = math.sqrt((player_rect.x - self.rect.x) ** 2 + (player_rect.y - self.distance_above_player  - self.rect.y) ** 2)
            x = (player_rect.x - self.rect.x) / c
            y = ((player_rect.y - self.distance_above_player)  - self.rect.y) / c
        except ZeroDivisionError: 
            return False
        return (x,y)
    def update(self, dt, player):
        new_pos = self.pos_towards_player(player.rect)
        if new_pos: #if not ZeroDivisonError
            self.rect.x, self.rect.y = (self.rect.x + new_pos[0] * self.speed, self.rect.y + new_pos[1] * self.speed)
        if self.range_to_fire:  
            if pg.time.get_ticks() - self.timer > 1500.0:
                self.timer = pg.time.get_ticks()
                self.bullets.append(Laser(, self.bullet_color))
    def draw(self, surf):
        if self.bullets:
            for bullet in self.bullets:
                surf.blit(bullet.image, bullet.rect)
        surf.blit(self.image, self.rect)
    def check_attack_ability(self, player):
        #if player is lower than enemy
        if player.rect.y >= self.rect.y: 
                offset_x =  self.rect.x - player.rect.x
                offset_y =  self.rect.y - player.rect.y
                d = int(math.degrees(math.atan(offset_x / offset_y)))
            except ZeroDivisionError: #player is above enemy
            #if player is within 15 degrees lower of enemy
            if math.fabs(d) <= 15: 
                self.range_to_fire = True
                self.range_to_fire = False
    def update_bullets(self, player):
        if self.bullets:
            for obj in self.bullets[:]:
                #check collision
                if obj.rect.colliderect(player.rect):
                    offset_x =  obj.rect.x - player.rect.x 
                    offset_y =  obj.rect.y - player.rect.y
                    if player.mask.overlap(obj.mask, (offset_x, offset_y)):
class Laser:
    def __init__(self, loc, screen_rect):
        self.screen_rect = screen_rect
        self.image = pg.Surface((5,40)).convert_alpha()
        self.mask = pg.mask.from_surface(self.image)
        self.rect = self.image.get_rect(center=loc)
        self.speed = 5
    def update(self,direction='up'):
        if direction == 'down':
            self.rect.y += self.speed
            self.rect.y -= self.speed
    def render(self, surf):
        surf.blit(self.image, self.rect)
class Player:
    def __init__(self, screen_rect):
        self.screen_rect = screen_rect
        self.image = pg.image.load('spaceship.png').convert()
        self.mask = pg.mask.from_surface(self.image)
        self.transformed_image = pg.transform.rotate(self.image, 180)
        start_buffer = 300
        self.rect = self.image.get_rect(
            center=(screen_rect.centerx, screen_rect.centery + start_buffer)
        self.dx = 300
        self.dy = 300
        self.lasers = []
        self.timer = 0.0
        self.laser_delay = 500
        self.add_laser = False
        self.damage = 10
        self.score = 0
        self.dead = False
    def take_damage(self, value):
        self.damage -= value
    def get_event(self, event):
        if event.type == pg.KEYDOWN:
            if event.key == pg.K_SPACE:
                if self.add_laser:
                    self.lasers.append(Laser(, self.screen_rect))
                    self.add_laser = False
    def update(self, keys, dt, enemies):
        if keys[pg.K_LEFT]:
            self.rect.x -= self.dx * dt
        if keys[pg.K_RIGHT]:
            self.rect.x += self.dx * dt
        if keys[pg.K_UP]:
            self.rect.y -= self.dy * dt
        if keys[pg.K_DOWN]:
            self.rect.y += self.dy * dt
        if pg.time.get_ticks()-self.timer > self.laser_delay:
            self.timer = pg.time.get_ticks()
            self.add_laser = True
        if self.damage <= 0:
            self.damage = 0
            self.dead = True
    def check_laser_collision(self, enemies):
        for laser in self.lasers[:]:
            for e in enemies:
                if laser.rect.colliderect(e.rect):
                    offset_x =  laser.rect.x - e.rect.x 
                    offset_y =  laser.rect.y - e.rect.y
                    if e.mask.overlap(laser.mask, (offset_x, offset_y)):
                        e.dead = True
                        break #otherwise would create a ValueError: list.remove(x): x not in list
    def draw(self, surf):
        for laser in self.lasers:
        surf.blit(self.transformed_image, self.rect)
    def add_score(self, amt):
        self.score += amt
class EnemyController:
    def __init__(self):
        self.enemies = [ ]
        self.enemy_image = self.enemy_image_load()
        self.max_enemies = 3
        for i in range(self.max_enemies):
    def enemy_image_load(self):
        image = pg.image.load('enemy.png').convert()
        transformed_image = pg.transform.rotate(image, 180)
        orig_image = pg.transform.scale(transformed_image, (40,80))
        mask = pg.mask.from_surface(orig_image)
        return (orig_image, mask)
    def randomized_enemy(self):
        y = random.randint(-500, -100) #above screen
        x = random.randint(0, screen_rect.width)
        return Enemy(self.enemy_image, screen_rect, (x,y))
    def update(self, dt, player):
        for e in self.enemies[:]:
            e.update(dt, player)
            if e.dead:
class Tools:
    def __init__(self, screen):
        self.screen = screen
        self.screen_rect = screen.get_rect()
    def font_init(self, screen_rect):
        self.text_size = 15
        self.text_color = (255,255,255)
        self.score_pos = (10,10)
        self.damage_pos = (10,30)
        self.font = pg.font.SysFont('Arial', self.text_size)
    def update_text(self, score=0):
        self.text, self.text_rect = self.make_text('Score: {}'.format(score), self.score_pos)
    def update_damage(self, damage=None):
        self.damage, self.damage_rect = self.make_text('Damage: {}'.format(damage), self.damage_pos)
    def make_text(self,message, pos):
        text = self.font.render(message,True,self.text_color)
        rect = text.get_rect(topleft=pos)
        return text, rect
    def game_over(self):
        game_over_font = pg.font.SysFont('Arial', 45)
        self.game_over_text = game_over_font.render('Game Over',True,(255,0,0))
        self.game_over_rect = self.game_over_text.get_rect(
    def draw(self):
        self.screen.blit(self.text, self.text_rect)
        self.screen.blit(self.damage, self.damage_rect)
    def sound_init(self):
        directory_of_sounds = '.' #current directory == '.'
        self.laser = self.load_sound_file('beep.wav', directory_of_sounds)
        self.game_over_sound = self.load_sound_file('game_over.wav', directory_of_sounds)
    def load_sound_file(self, filename, directory):
        fullname = os.path.join(directory, filename)
        return pg.mixer.Sound(fullname)
screen = pg.display.set_mode((800,600))
screen_rect = screen.get_rect()
TOOLS = Tools(screen)
player = Player(screen_rect)
enemy_control = EnemyController()
clock = pg.time.Clock()
done = False
while not done:
    keys = pg.key.get_pressed()
    for event in pg.event.get():
        if event.type == pg.QUIT:
            done = True
    delta_time = clock.tick(60)/1000.0
    if not player.dead:
        player.update(keys, delta_time, enemy_control.enemies)
        enemy_control.update(delta_time, player)
        screen.blit(TOOLS.game_over_text, TOOLS.game_over_rect)
and anywhere in between
Not Solved
Thinking from a theoretical perspective, you could possibly try to search for common code patterns and act based on that, but you'd be at the mercy of false positive/negatives.

Some Markdown flavours auto format code if all of it is indented, which I suppose is a possibility, but otherwise, I think it's ultimately a user issue not a technical one. That is, just ask your users to paste code in code tags - your moderators should be able to help with that.
Not Solved
Yeah i think they are just getting sick of it. Users comply after being told, but every new user doesnt the majority of time. Most of our users are one time "askers" and then gone type.
Not Solved
Consider placing a notice above the message box for first time users perhaps?
Not Solved
We have tried that....people just seem to ignore it.

We even put a default 

Here is where you put your code

and people just ignore and post code not in the codebox beside the default codebox

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