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language:	PHP (php 5.4.4)
date:	845 days 1 hour ago
link:
visibility:	public private user's deleted

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<?php
 
$s='e3r4t5';
$s = preg_replace('/\D+/', '', $s);
echo $s;
 
?>

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# 7 # 6 # 5 # 4 # 3 # 2 # 1

upload with new input
# 7: hide show clone input 44 days 16 hours ago Success

result: Success time: 0.01s memory: 20520 kB returned value: 0
input:
```
<?php
 
$s='e3-r4-t5';
$s = preg_replace('/[^\d-]+/', '', $s);
echo $s;
 
?>
```
output:
```
345
```
# 6: hide show clone input 44 days 16 hours ago Success

result: Success time: 0.01s memory: 20568 kB returned value: 0
input:
```
<?php
 
$s='e3-r4-t5';
$s = preg_replace("/^\-?\d+$/", '', $s);
echo $s;
 
?>
```
output:
```
345
```
# 5: hide show clone input 44 days 16 hours ago Success

result: Success time: 0.01s memory: 20520 kB returned value: 0
input:
```
<?php
 
$s='e3-r4-t5';
$s = preg_replace("/^\+?\d+$/", '', $s);
echo $s;
 
?>
```
output:
```
345
```
# 4: hide show clone input 44 days 16 hours ago Success

result: Success time: 0.01s memory: 20568 kB returned value: 0
input:
```
<?php
 
$s='e3-r4-t5';
$s = preg_replace("/^[0-9-]/", '', $s);
echo $s;
 
?>
```
output:
```
345
```
# 3: hide show clone input 44 days 16 hours ago Success

result: Success time: 0.01s memory: 20568 kB returned value: 0
input:
```
<?php
 
$s='e3-r4-t5';
$s = preg_replace("/^[0-9][-]/", '', $s);
echo $s;
 
?>
```
output:
```
345
```
# 2: hide show clone input 44 days 16 hours ago Success

result: Success time: 0.01s memory: 20520 kB returned value: 0
input:
```
<?php
 
$s='e3-r4-t5';
$s = preg_replace("/[^0-9]{-}/", '', $s);
echo $s;
 
?>
```
output:
```
345
```
# 1: hide show clone input 845 days 1 hour ago Success

result: Success time: 0s memory: 13112 kB returned value: 0

input: no
output:
```
345
```

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