( ! ) Deprecated: Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /var/www/html/wp-includes/functions.php on line 6131
Call Stack
#TimeMemoryFunctionLocation
10.0000484048{main}( ).../index.php:0
20.0000484400require( '/var/www/html/wp-blog-header.php ).../index.php:17
30.14254100856require_once( '/var/www/html/wp-includes/template-loader.php ).../wp-blog-header.php:19
40.14334129848include( '/var/www/html/wp-content/themes/twentyfifteen/single.php ).../template-loader.php:125
50.14334129848get_header( $name = ???, $args = ??? ).../single.php:10
60.14334130064locate_template( $template_names = [0 => 'header.php'], $load = TRUE, $load_once = TRUE, $args = [] ).../general-template.php:48
70.14334130160load_template( $_template_file = '/var/www/html/wp-content/themes/twentyfifteen/header.php', $load_once = TRUE, $args = [] ).../template.php:749
80.14334130704require_once( '/var/www/html/wp-content/themes/twentyfifteen/header.php ).../template.php:814
90.14354138112wp_head( ).../header.php:18
100.14354138112do_action( $hook_name = 'wp_head' ).../general-template.php:3197
110.14354138328WP_Hook->do_action( $args = [0 => ''] ).../plugin.php:522
120.14354138328WP_Hook->apply_filters( $value = '', $args = [0 => ''] ).../class-wp-hook.php:365
130.14374141744wp_enqueue_scripts( '' ).../class-wp-hook.php:341
140.14374141744do_action( $hook_name = 'wp_enqueue_scripts' ).../script-loader.php:2311
150.14374141960WP_Hook->do_action( $args = [0 => ''] ).../plugin.php:522
160.14374141960WP_Hook->apply_filters( $value = '', $args = [0 => ''] ).../class-wp-hook.php:365
170.14394143848twentyfifteen_scripts( '' ).../class-wp-hook.php:341
180.14424145368wp_style_add_data( $handle = 'twentyfifteen-ie', $key = 'conditional', $value = 'lt IE 9' ).../functions.php:440
190.14424145368WP_Styles->add_data( $handle = 'twentyfifteen-ie', $key = 'conditional', $value = 'lt IE 9' ).../functions.wp-styles.php:245
200.14424145368WP_Dependencies->add_data( $handle = 'twentyfifteen-ie', $key = 'conditional', $value = 'lt IE 9' ).../class-wp-styles.php:385
210.14424145368_deprecated_argument( $function_name = 'WP_Dependencies->add_data()', $version = '6.9.0', $message = 'IE conditional comments are ignored by all supported browsers.' ).../class-wp-dependencies.php:317
220.14424151320wp_trigger_error( $function_name = '', $message = 'Function WP_Dependencies->add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers.', $error_level = 16384 ).../functions.php:5925
230.14434270856trigger_error( $message = 'Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers.', $error_level = 16384 ).../functions.php:6131

( ! ) Deprecated: Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /var/www/html/wp-includes/functions.php on line 6131
Call Stack
#TimeMemoryFunctionLocation
10.0000484048{main}( ).../index.php:0
20.0000484400require( '/var/www/html/wp-blog-header.php ).../index.php:17
30.14254100856require_once( '/var/www/html/wp-includes/template-loader.php ).../wp-blog-header.php:19
40.14334129848include( '/var/www/html/wp-content/themes/twentyfifteen/single.php ).../template-loader.php:125
50.14334129848get_header( $name = ???, $args = ??? ).../single.php:10
60.14334130064locate_template( $template_names = [0 => 'header.php'], $load = TRUE, $load_once = TRUE, $args = [] ).../general-template.php:48
70.14334130160load_template( $_template_file = '/var/www/html/wp-content/themes/twentyfifteen/header.php', $load_once = TRUE, $args = [] ).../template.php:749
80.14334130704require_once( '/var/www/html/wp-content/themes/twentyfifteen/header.php ).../template.php:814
90.14354138112wp_head( ).../header.php:18
100.14354138112do_action( $hook_name = 'wp_head' ).../general-template.php:3197
110.14354138328WP_Hook->do_action( $args = [0 => ''] ).../plugin.php:522
120.14354138328WP_Hook->apply_filters( $value = '', $args = [0 => ''] ).../class-wp-hook.php:365
130.14374141744wp_enqueue_scripts( '' ).../class-wp-hook.php:341
140.14374141744do_action( $hook_name = 'wp_enqueue_scripts' ).../script-loader.php:2311
150.14374141960WP_Hook->do_action( $args = [0 => ''] ).../plugin.php:522
160.14374141960WP_Hook->apply_filters( $value = '', $args = [0 => ''] ).../class-wp-hook.php:365
170.14394143848twentyfifteen_scripts( '' ).../class-wp-hook.php:341
180.16724271960wp_style_add_data( $handle = 'twentyfifteen-ie7', $key = 'conditional', $value = 'lt IE 8' ).../functions.php:444
190.16724271960WP_Styles->add_data( $handle = 'twentyfifteen-ie7', $key = 'conditional', $value = 'lt IE 8' ).../functions.wp-styles.php:245
200.16724271960WP_Dependencies->add_data( $handle = 'twentyfifteen-ie7', $key = 'conditional', $value = 'lt IE 8' ).../class-wp-styles.php:385
210.16724271960_deprecated_argument( $function_name = 'WP_Dependencies->add_data()', $version = '6.9.0', $message = 'IE conditional comments are ignored by all supported browsers.' ).../class-wp-dependencies.php:317
220.16724272280wp_trigger_error( $function_name = '', $message = 'Function WP_Dependencies->add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers.', $error_level = 16384 ).../functions.php:5925
230.16734272504trigger_error( $message = 'Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers.', $error_level = 16384 ).../functions.php:6131

Matcher: groupCount()

/*
Group 0: 1
Group 1: 1
Group 2: null
Group 3: null
Group 0: 2
Group 1: 2
Group 2: null
Group 3: null
Group 0: 3
Group 1: 3
Group 2: null
Group 3: null
Group 0: 4.5
Group 1: 4.5
Group 2: .5
Group 3: null
*/
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class MainClass {

public static void main(String[] av) {
String regEx = “[+|-]?(\\d+(\\.\\d*)?)|(\\.\\d+)”;
String str = “a b c d e 1 2 3 4.5 “;
Pattern pattern = Pattern.compile(regEx);
Matcher m = pattern.matcher(str);
while(m.find()) {
for(int i = 0; i<=m.groupCount() ; i++) {
System.out.println(“Group ” + i + “: ” + m.group(i)); // Group i substring
}
}
}

}

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